net/xfrm: IPsec tunnel mode fix inner_ipproto setting in sec_path

[ Upstream commit 45a98ef4922def8c679ca7c454403d1957fe70e7 ]

The inner_ipproto saves the inner IP protocol of the plain
text packet. This allows vendor's IPsec feature making offload
decision at skb's features_check and configuring hardware at
ndo_start_xmit, current code implenetation did not handle the
case where IPsec is used in tunnel mode.

Fix by handling the case when IPsec is used in tunnel mode by
reading the protocol of the plain text packet IP protocol.

Fixes: fa4535238fb5 ("net/xfrm: Add inner_ipproto into sec_path")
Signed-off-by: Raed Salem <raeds@nvidia.com>
Signed-off-by: Steffen Klassert <steffen.klassert@secunet.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>

power: reset: mt6397: Check for null res pointer

[ Upstream commit 1c1348bf056dee665760a3bd1cd30b0be7554fc2 ]

The return value of platform_get_resource() needs to be checked.
To avoid use of error pointer in case that there is no suitable
resource.

Fixes: d28c74c10751 ("power: reset: add driver for mt6323 poweroff")
Signed-off-by: Jiasheng Jiang <jiasheng@iscas.ac.cn>
Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>

pcmcia: rsrc_nonstatic: Fix a NULL pointer dereference in nonstatic_find_mem_region()

[ Upstream commit 977d2e7c63c3d04d07ba340b39987742e3241554 ]

In nonstatic_find_mem_region(), pcmcia_make_resource() is assigned to
res and used in pci_bus_alloc_resource(). There a dereference of res
in pci_bus_alloc_resource(), which could lead to a NULL pointer
dereference on failure of pcmcia_make_resource().

Fix this bug by adding a check of res.

This bug was found by a static analyzer. The analysis employs
differential checking to identify inconsistent security operations
(e.g., checks or kfrees) between two code paths and confirms that the
inconsistent operations are not recovered in the current function or
the callers, so they constitute bugs.

Note that, as a bug found by static analysis, it can be a false
positive or hard to trigger. Multiple researchers have cross-reviewed
the bug.

Builds with CONFIG_PCCARD_NONSTATIC=y show no new warnings,
and our static analyzer no longer warns about this code.

Fixes: 49b1153adfe1 ("pcmcia: move all pcmcia_resource_ops providers into one module")
Signed-off-by: Zhou Qingyang <zhou1615@umn.edu>
Signed-off-by: Dominik Brodowski <linux@dominikbrodowski.net>
Signed-off-by: Sasha Levin <sashal@kernel.org>

pcmcia: rsrc_nonstatic: Fix a NULL pointer dereference in __nonstatic_find_io_region()

[ Upstream commit ca0fe0d7c35c97528bdf621fdca75f13157c27af ]

In __nonstatic_find_io_region(), pcmcia_make_resource() is assigned to
res and used in pci_bus_alloc_resource(). There is a dereference of res
in pci_bus_alloc_resource(), which could lead to a NULL pointer
dereference on failure of pcmcia_make_resource().

Fix this bug by adding a check of res.

This bug was found by a static analyzer. The analysis employs
differential checking to identify inconsistent security operations
(e.g., checks or kfrees) between two code paths and confirms that the
inconsistent operations are not recovered in the current function or
the callers, so they constitute bugs.

Note that, as a bug found by static analysis, it can be a false
positive or hard to trigger. Multiple researchers have cross-reviewed
the bug.

Builds with CONFIG_PCCARD_NONSTATIC=y show no new warnings,
and our static analyzer no longer warns about this code.

Fixes: 49b1153adfe1 ("pcmcia: move all pcmcia_resource_ops providers into one module")
Signed-off-by: Zhou Qingyang <zhou1615@umn.edu>
[linux@dominikbrodowski.net: Fix typo in commit message]
Signed-off-by: Dominik Brodowski <linux@dominikbrodowski.net>
Signed-off-by: Sasha Levin <sashal@kernel.org>

ACPI: scan: Create platform device for BCM4752 and LNV4752 ACPI nodes

[ Upstream commit f85196bdd5a50da74670250564740fc852b3c239 ]

BCM4752 and LNV4752 ACPI nodes describe a Broadcom 4752 GPS module
attached to an UART of the system.

The GPS modules talk a custom protocol which only works with a closed-
source Android gpsd daemon which knows this protocol.

The ACPI nodes also describe GPIOs to turn the GPS on/off these are
handled by the net/rfkill/rfkill-gpio.c code. This handling predates the
addition of enumeration of ACPI instantiated serdevs to the kernel and
was broken by that addition, because the ACPI scan code now no longer
instantiates platform_device-s for these nodes.

Rename the i2c_multi_instantiate_ids HID list to ignore_serial_bus_ids
and add the BCM4752 and LNV4752 HIDs, so that rfkill-gpio gets
a platform_device to bind to again; and so that a tty cdev for gpsd
gets created for these.

Fixes: e361d1f85855 ("ACPI / scan: Fix enumeration for special UART devices")
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>

serial: 8250_bcm7271: Propagate error codes from brcmuart_probe()

[ Upstream commit c195438f1e84de8fa46b4f5264d12379bee6e9a1 ]

In case of failures brcmuart_probe() always returned -ENODEV, this
isn't correct for example platform_get_irq_byname() may return
-EPROBE_DEFER to handle such cases propagate error codes in
brcmuart_probe() in case of failures.

Fixes: 41a469482de25 ("serial: 8250: Add new 8250-core based Broadcom STB driver")
Acked-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: Lad Prabhakar <prabhakar.mahadev-lad.rj@bp.renesas.com>
Link: https://lore.kernel.org/r/20211224142917.6966-4-prabhakar.mahadev-lad.rj@bp.renesas.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>

io_uring: remove double poll on poll update

[ Upstream commit e840b4baf3cfb37e2ead4f649a45bb78178677ff ]

Before updating a poll request we should remove it from poll queues,
including the double poll entry.

Fixes: b69de288e913 ("io_uring: allow events and user_data update of running poll requests")
Signed-off-by: Pavel Begunkov <asml.silence@gmail.com>
Link: https://lore.kernel.org/r/ac39e7f80152613603b8a6cc29a2b6063ac2434f.1639605189.git.asml.silence@gmail.com
Signed-off-by: Jens Axboe <axboe@kernel.dk>
Signed-off-by: Sasha Levin <sashal@kernel.org>

x86/mce/inject: Avoid out-of-bounds write when setting flags

[ Upstream commit de768416b203ac84e02a757b782a32efb388476f ]

A contrived zero-length write, for example, by using write(2):

  ...
  ret = write(fd, str, 0);
  ...

to the "flags" file causes:

  BUG: KASAN: stack-out-of-bounds in flags_write
  Write of size 1 at addr ffff888019be7ddf by task writefile/3787

  CPU: 4 PID: 3787 Comm: writefile Not tainted 5.16.0-rc7+ #12
  Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.14.0-2 04/01/2014

due to accessing buf one char before its start.

Prevent such out-of-bounds access.

  [ bp: Productize into a proper patch. Link below is the next best
    thing because the original mail didn't get archived on lore. ]

Fixes: 0451d14d0561 ("EDAC, mce_amd_inj: Modify flags attribute to use string arguments")
Signed-off-by: Zhang Zixun <zhang133010@icloud.com>
Signed-off-by: Borislav Petkov <bp@suse.de>
Link: https://lore.kernel.org/linux-edac/YcnePfF1OOqoQwrX@zn.tnic/
Signed-off-by: Sasha Levin <sashal@kernel.org>

hwmon: (mr75203) fix wrong power-up delay value

[ Upstream commit a8d6d4992ad9d92356619ac372906bd29687bb46 ]

In the file mr75203.c we have a macro named POWER_DELAY_CYCLE_256,
the correct value should be 0x100. The register ip_tmr is expressed
in units of IP clk cycles, in accordance with the datasheet.
Typical power-up delays for Temperature Sensor are 256 cycles i.e. 0x100.

Fixes: 9d823351a337 ("hwmon: Add hardware monitoring driver for Moortec MR75203 PVT controller")
Signed-off-by: Arseny Demidov <a.demidov@yadro.com>
Link: https://lore.kernel.org/r/20211219102239.1112-1-a.demidov@yadro.com
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Sasha Levin <sashal@kernel.org>

regulator: qcom-labibb: OCP interrupts are not a failure while disabled

[ Upstream commit d27bb69dc83f00f86a830298c967052cded6e784 ]

Receiving the Over-Current Protection interrupt while the regulator is
disabled does not count as unhandled/failure (IRQ_NONE, or 0 as it were)
but a "fake event", usually due to inrush as the is regulator about to
be enabled.

Fixes: 390af53e0411 ("regulator: qcom-labibb: Implement short-circuit and over-current IRQs")
Signed-off-by: Marijn Suijten <marijn.suijten@somainline.org>
Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@somainline.org>
Link: https://lore.kernel.org/r/20211224113450.107958-1-marijn.suijten@somainline.org
Signed-off-by: Mark Brown <broonie@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>

crypto: octeontx2 - prevent underflow in get_cores_bmap()

[ Upstream commit 10371b6212bb682f13247733d6b76b91b2b80f9a ]

If we're going to cap "eng_grp->g->engs_num" upper bounds then we should
cap the lower bounds as well.

Fixes: 43ac0b824f1c ("crypto: octeontx2 - load microcode and create engine groups")
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Signed-off-by: Sasha Levin <sashal@kernel.org>

x86/boot/compressed: Move CLANG_FLAGS to beginning of KBUILD_CFLAGS

[ Upstream commit 5fe392ff9d1f7254a1fbb3f72d9893088e4d23eb ]

When cross compiling i386_defconfig on an arm64 host with clang, there
are a few instances of '-Waddress-of-packed-member' and
'-Wgnu-variable-sized-type-not-at-end' in arch/x86/boot/compressed/,
which should both be disabled with the cc-disable-warning calls in that
directory's Makefile, which indicates that cc-disable-warning is failing
at the point of testing these flags.

The cc-disable-warning calls fail because at the point that the flags
are tested, KBUILD_CFLAGS has '-march=i386' without $(CLANG_FLAGS),
which has the '--target=' flag to tell clang what architecture it is
targeting. Without the '--target=' flag, the host architecture (arm64)
is used and i386 is not a valid value for '-march=' in that case. This
error can be seen by adding some logging to try-run:

  clang-14: error: the clang compiler does not support '-march=i386'

Invoking the compiler has to succeed prior to calling cc-option or
cc-disable-warning in order to accurately test whether or not the flag
is supported; if it doesn't, the requested flag can never be added to
the compiler flags. Move $(CLANG_FLAGS) to the beginning of KBUILD_FLAGS
so that any new flags that might be added in the future can be
accurately tested.

Fixes: d5cbd80e302d ("x86/boot: Add $(CLANG_FLAGS) to compressed KBUILD_CFLAGS")
Signed-off-by: Nathan Chancellor <nathan@kernel.org>
Signed-off-by: Borislav Petkov <bp@suse.de>
Link: https://lore.kernel.org/r/20211222163040.1961481-1-nathan@kernel.org
Signed-off-by: Sasha Levin <sashal@kernel.org>

Bluetooth: hci_qca: Stop IBS timer during BT OFF

[ Upstream commit df1e5c51492fd93ffc293acdcc6f00698d19fedc ]

The IBS timers are not stopped properly once BT OFF is triggered.
we could see IBS commands being sent along with version command,
so stopped IBS timers while Bluetooth is off.

Fixes: 3e4be65eb82c ("Bluetooth: hci_qca: Add poweroff support during hci down for wcn3990")
Signed-off-by: Panicker Harish <quic_pharish@quicinc.com>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>

software node: fix wrong node passed to find nargs_prop

[ Upstream commit c5fc5ba8b6b7bebc05e45036a33405b4c5036c2f ]

nargs_prop refers to a property located in the reference that is found
within the nargs property. Use the correct reference node in call to
property_entry_read_int_array() to retrieve the correct nargs value.

Fixes: b06184acf751 ("software node: Add software_node_get_reference_args()")
Signed-off-by: Clément Léger <clement.leger@bootlin.com>
Reviewed-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Reviewed-by: Daniel Scally <djrscally@gmail.com>
Acked-by: Heikki Krogerus <heikki.krogerus@linux.intel.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>

backlight: qcom-wled: Respect enabled-strings in set_brightness

[ Upstream commit ec961cf3241153e0f27d850f1bf0f172e7d27a21 ]

The hardware is capable of controlling any non-contiguous sequence of
LEDs specified in the DT using qcom,enabled-strings as u32
array, and this also follows from the DT-bindings documentation.  The
numbers specified in this array represent indices of the LED strings
that are to be enabled and disabled.

Its value is appropriately used to setup and enable string modules, but
completely disregarded in the set_brightness paths which only iterate
over the number of strings linearly.
Take an example where only string 2 is enabled with
qcom,enabled_strings=<2>: this string is appropriately enabled but
subsequent brightness changes would have only touched the zero'th
brightness register because num_strings is 1 here.  This is simply
addressed by looking up the string for this index in the enabled_strings
array just like the other codepaths that iterate over num_strings.

Likewise enabled_strings is now also used in the autodetection path for
consistent behaviour: when a list of strings is specified in DT only
those strings will be probed for autodetection, analogous to how the
number of strings that need to be probed is already bound by
qcom,num-strings.  After all autodetection uses the set_brightness
helpers to set an initial value, which could otherwise end up changing
brightness on a different set of strings.

Fixes: 775d2ffb4af6 ("backlight: qcom-wled: Restructure the driver for WLED3")
Fixes: 03b2b5e86986 ("backlight: qcom-wled: Add support for WLED4 peripheral")
Signed-off-by: Marijn Suijten <marijn.suijten@somainline.org>
Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@somainline.org>
Reviewed-by: Daniel Thompson <daniel.thompson@linaro.org>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Link: https://lore.kernel.org/r/20211115203459.1634079-10-marijn.suijten@somainline.org
Signed-off-by: Sasha Levin <sashal@kernel.org>

backlight: qcom-wled: Use cpu_to_le16 macro to perform conversion

[ Upstream commit 0a139358548968b2ff308257b4fbeec7badcc3e1 ]

The kernel already provides appropriate primitives to perform endianness
conversion which should be used in favour of manual bit-wrangling.

Signed-off-by: Marijn Suijten <marijn.suijten@somainline.org>
Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@somainline.org>
Reviewed-by: Daniel Thompson <daniel.thompson@linaro.org>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Link: https://lore.kernel.org/r/20211115203459.1634079-4-marijn.suijten@somainline.org
Signed-off-by: Sasha Levin <sashal@kernel.org>

backlight: qcom-wled: Override default length with qcom,enabled-strings

[ Upstream commit 2b4b49602f9feca7b7a84eaa33ad9e666c8aa695 ]

The length of qcom,enabled-strings as property array is enough to
determine the number of strings to be enabled, without needing to set
qcom,num-strings to override the default number of strings when less
than the default (which is also the maximum) is provided in DT.

This also introduces an extra warning when qcom,num-strings is set,
denoting that it is not necessary to set both anymore.  It is usually
more concise to set just qcom,num-length when a zero-based, contiguous
range of strings is needed (the majority of the cases), or to only set
qcom,enabled-strings when a specific set of indices is desired.

Fixes: 775d2ffb4af6 ("backlight: qcom-wled: Restructure the driver for WLED3")
Signed-off-by: Marijn Suijten <marijn.suijten@somainline.org>
Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@somainline.org>
Reviewed-by: Daniel Thompson <daniel.thompson@linaro.org>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Link: https://lore.kernel.org/r/20211115203459.1634079-6-marijn.suijten@somainline.org
Signed-off-by: Sasha Levin <sashal@kernel.org>

backlight: qcom-wled: Fix off-by-one maximum with default num_strings

[ Upstream commit 5ada78b26f935f8751852dffa24f6b545b1d2517 ]

When not specifying num-strings in the DT the default is used, but +1 is
added to it which turns WLED3 into 4 and WLED4/5 into 5 strings instead
of 3 and 4 respectively, causing out-of-bounds reads and register
read/writes.  This +1 exists for a deficiency in the DT parsing code,
and is simply omitted entirely - solving this oob issue - by parsing the
property separately much like qcom,enabled-strings.

This also enables more stringent checks on the maximum value when
qcom,enabled-strings is provided in the DT, by parsing num-strings after
enabled-strings to allow it to check against (and in a subsequent patch
override) the length of enabled-strings: it is invalid to set
num-strings higher than that.
The DT currently utilizes it to get around an incorrect fixed read of
four elements from that array (has been addressed in a prior patch) by
setting a lower num-strings where desired.

Fixes: 93c64f1ea1e8 ("leds: add Qualcomm PM8941 WLED driver")
Signed-off-by: Marijn Suijten <marijn.suijten@somainline.org>
Reviewed-By: AngeloGioacchino Del Regno <angelogioacchino.delregno@somainline.org>
Reviewed-by: Daniel Thompson <daniel.thompson@linaro.org>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Link: https://lore.kernel.org/r/20211115203459.1634079-5-marijn.suijten@somainline.org
Signed-off-by: Sasha Levin <sashal@kernel.org>

backlight: qcom-wled: Pass number of elements to read to read_u32_array

[ Upstream commit e29e24bdabfeddbf8b1a4ecac1af439a85150438 ]

of_property_read_u32_array takes the number of elements to read as last
argument. This does not always need to be 4 (sizeof(u32)) but should
instead be the size of the array in DT as read just above with
of_property_count_elems_of_size.

To not make such an error go unnoticed again the driver now bails
accordingly when of_property_read_u32_array returns an error.
Surprisingly the indentation of newlined arguments is lining up again
after prepending `rc = `.

Fixes: 775d2ffb4af6 ("backlight: qcom-wled: Restructure the driver for WLED3")
Signed-off-by: Marijn Suijten <marijn.suijten@somainline.org>
Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@somainline.org>
Reviewed-by: Daniel Thompson <daniel.thompson@linaro.org>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Link: https://lore.kernel.org/r/20211115203459.1634079-3-marijn.suijten@somainline.org
Signed-off-by: Sasha Levin <sashal@kernel.org>

backlight: qcom-wled: Validate enabled string indices in DT

[ Upstream commit c05b21ebc5bce3ecc78c2c71afd76d92c790a2ac ]

The strings passed in DT may possibly cause out-of-bounds register
accesses and should be validated before use.

Fixes: 775d2ffb4af6 ("backlight: qcom-wled: Restructure the driver for WLED3")
Signed-off-by: Marijn Suijten <marijn.suijten@somainline.org>
Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@somainline.org>
Reviewed-by: Daniel Thompson <daniel.thompson@linaro.org>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Link: https://lore.kernel.org/r/20211115203459.1634079-2-marijn.suijten@somainline.org
Signed-off-by: Sasha Levin <sashal@kernel.org>

bpftool: Enable line buffering for stdout

[ Upstream commit 1a1a0b0364ad291bd8e509da104ac8b5b1afec5d ]

The output of bpftool prog tracelog is currently buffered, which is
inconvenient when piping the output into other commands. A simple
tracelog | grep will typically not display anything. This patch fixes it
by enabling line buffering on stdout for the whole bpftool binary.

Fixes: 30da46b5dc3a ("tools: bpftool: add a command to dump the trace pipe")
Signed-off-by: Quentin Monnet <quentin@isovalent.com>
Signed-off-by: Paul Chaignon <paul@isovalent.com>
Signed-off-by: Andrii Nakryiko <andrii@kernel.org>
Acked-by: Yonghong Song <yhs@fb.com>
Link: https://lore.kernel.org/bpf/20211220214528.GA11706@Mem
Signed-off-by: Sasha Levin <sashal@kernel.org>

Bluetooth: L2CAP: Fix using wrong mode

[ Upstream commit 30d57722732d9736554f85f75f9d7ad5402d192e ]

If user has a set to use SOCK_STREAM the socket would default to
L2CAP_MODE_ERTM which later needs to be adjusted if the destination
address is LE which doesn't support such mode.

Fixes: 15f02b9105625 ("Bluetooth: L2CAP: Add initial code for Enhanced Credit Based Mode")
Signed-off-by: Luiz Augusto von Dentz <luiz.von.dentz@intel.com>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>

um: virtio_uml: Fix time-travel external time propagation

[ Upstream commit 85e73968a040c642fd38f6cba5b73b61f5d0f052 ]

When creating an external event, the current time needs to
be propagated to other participants of a simulation. This
is done in the places here where we kick a virtq etc.

However, it must be done for _all_ external events, and
that includes making the initial socket connection and
later closing it. Call time_travel_propagate_time() to do
this before making or closing the socket connection.

Apparently, at least for the initial connection creation,
due to the remote side in my use cases using microseconds
(rather than nanoseconds), this wasn't a problem yet; only
started failing between 5.14-rc1 and 5.15-rc1 (didn't test
others much), or possibly depending on the configuration,
where more delays happen before the virtio devices are
initialized.

Fixes: 88ce64249233 ("um: Implement time-travel=ext")
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Richard Weinberger <richard@nod.at>
Signed-off-by: Sasha Levin <sashal@kernel.org>

lib/logic_iomem: Fix operation on 32-bit

[ Upstream commit 4e8a5edac5010820e7c5303fc96f5a262e096bb6 ]

On 32-bit, the first entry might be at 0/NULL, but that's
strange and leads to issues, e.g. where we check "if (ret)".
Use a IOREMAP_BIAS/IOREMAP_MASK of 0x80000000UL to avoid
this. This then requires reducing the number of areas (via
MAX_AREAS), but we still have 128 areas, which is enough.

Fixes: ca2e334232b6 ("lib: add iomem emulation (logic_iomem)")
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Richard Weinberger <richard@nod.at>
Signed-off-by: Sasha Levin <sashal@kernel.org>

lib/logic_iomem: Fix 32-bit build

[ Upstream commit 4e84139e14af5ea60772cc4f33d7059aec76e0eb ]

On a 32-bit build, the (unsigned long long) casts throw warnings
(or errors) due to being to a different integer size. Cast to
uintptr_t first (with the __force for sparse) and then further
to get the consistent print on 32 and 64-bit.

Fixes: ca2e334232b6 ("lib: add iomem emulation (logic_iomem)")
Reported-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Richard Weinberger <richard@nod.at>
Signed-off-by: Sasha Levin <sashal@kernel.org>

um: virt-pci: Fix 32-bit compile

[ Upstream commit d73820df6437b5d0a57be53faf39db46a0264b3a ]

There were a few 32-bit compile warnings that of course
turned into errors with -Werror, fix the 32-bit build.

Fixes: 68f5d3f3b654 ("um: add PCI over virtio emulation driver")
Reported-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Richard Weinberger <richard@nod.at>
Signed-off-by: Sasha Levin <sashal@kernel.org>

um: rename set_signals() to um_set_signals()

[ Upstream commit bbe33504d4a7fdab9011211e55e262c869b3f6cc ]

Rename set_signals() as there's at least one driver that
uses the same name and can now be built on UM due to PCI
support, and thus we can get symbol conflicts.

Also rename set_signals_trace() to be consistent.

Reported-by: kernel test robot <lkp@intel.com>
Fixes: 68f5d3f3b654 ("um: add PCI over virtio emulation driver")
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Richard Weinberger <richard@nod.at>
Signed-off-by: Sasha Levin <sashal@kernel.org>

um: fix ndelay/udelay defines

[ Upstream commit 5f8539e2ff962e25b57742ca7106456403abbc94 ]

Many places in the kernel use 'udelay' as an identifier, and
are broken with the current "#define udelay um_udelay". Fix
this by adding an argument to the macro, and do the same to
'ndelay' as well, just in case.

Fixes: 0bc8fb4dda2b ("um: Implement ndelay/udelay in time-travel mode")
Reported-by: kernel test robot <lkp@intel.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Richard Weinberger <richard@nod.at>
Signed-off-by: Sasha Levin <sashal@kernel.org>

selinux: fix potential memleak in selinux_add_opt()

[ Upstream commit 2e08df3c7c4e4e74e3dd5104c100f0bf6288aaa8 ]

This patch try to fix potential memleak in error branch.

Fixes: ba6418623385 ("selinux: new helper - selinux_add_opt()")
Signed-off-by: Bernard Zhao <bernard@vivo.com>
[PM: tweak the subject line, add Fixes tag]
Signed-off-by: Paul Moore <paul@paul-moore.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>

block: fix error unwinding in device_add_disk

[ Upstream commit 99d8690aae4b2f0d1d90075de355ac087f820a66 ]

One device_add is called disk->ev will be freed by disk_release, so we
should free it twice.  Fix this by allocating disk->ev after device_add
so that the extra local unwinding can be removed entirely.

Based on an earlier patch from Tetsuo Handa.

Reported-by: syzbot <syzbot+28a66a9fbc621c939000@syzkaller.appspotmail.com>
Tested-by: syzbot <syzbot+28a66a9fbc621c939000@syzkaller.appspotmail.com>
Fixes: 83cbce9574462c6b ("block: add error handling for device_add_disk / add_disk")
Signed-off-by: Christoph Hellwig <hch@lst.de>
Link: https://lore.kernel.org/r/20211221161851.788424-1-hch@lst.de
Signed-off-by: Jens Axboe <axboe@kernel.dk>
Signed-off-by: Sasha Levin <sashal@kernel.org>

mmc: meson-mx-sdio: add IRQ check

[ Upstream commit 8fc9a77bc64e1f23d07953439817d8402ac9706f ]

The driver neglects to check the result of platform_get_irq()'s call and
blithely passes the negative error codes to devm_request_threaded_irq()
(which takes *unsigned* IRQ #), causing it to fail with -EINVAL, overriding
an original error code. Stop calling devm_request_threaded_irq() with the
invalid IRQ #s.

Fixes: ed80a13bb4c4 ("mmc: meson-mx-sdio: Add a driver for the Amlogic Meson8 and Meson8b SoC")
Signed-off-by: Sergey Shtylyov <s.shtylyov@omp.ru>
Reviewed-by: Martin Blumenstingl <martin.blumenstingl@googlemail.com>
Link: https://lore.kernel.org/r/20211217202717.10041-3-s.shtylyov@omp.ru
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>

mmc: meson-mx-sdhc: add IRQ check

[ Upstream commit 77bed755e0f06135faccdd3948863703f9a6e640 ]

The driver neglects to check the result of platform_get_irq()'s call and
blithely passes the negative error codes to devm_request_threaded_irq()
(which takes *unsigned* IRQ #), causing it to fail with -EINVAL, overriding
an original error code. Stop calling devm_request_threaded_irq() with the
invalid IRQ #s.

Fixes: e4bf1b0970ef ("mmc: host: meson-mx-sdhc: new driver for the Amlogic Meson SDHC host")
Signed-off-by: Sergey Shtylyov <s.shtylyov@omp.ru>
Reviewed-by: Martin Blumenstingl <martin.blumenstingl@googlemail.com>
Link: https://lore.kernel.org/r/20211217202717.10041-2-s.shtylyov@omp.ru
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>

iwlwifi: mvm: set protected flag only for NDP ranging

[ Upstream commit 6bb2ea37c02db98cb677f978cfcb833ca608c5eb ]

Don't use protected ranging negotiation for FTM ranging as responders
that support only FTM ranging don't expect the FTM request to be
protected.

Signed-off-by: Avraham Stern <avraham.stern@intel.com>
Fixes: 517a5eb9fab2 ("iwlwifi: mvm: when associated with PMF, use protected NDP ranging negotiation")
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
Link: https://lore.kernel.org/r/iwlwifi.20211219132536.f50ed0e3c6b3.Ibff247ee9d4e6e0a1a2d08a3c8a4bbb37e6829dd@changeid
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>

iwlwifi: mvm: perform 6GHz passive scan after suspend

[ Upstream commit f4745cbb17572209a7fa27a6796ed70e7ada860b ]

The 6GHz passive scan is performed only once every 50 minutes.
However, in case of suspend/resume, the regulatory information
is reset, so 6GHz channels may become disabled.
Fix it by performing a 6GHz passive scan within 60 seconds after
suspend/resume even if the 50 minutes timeout did not expire yet.

Signed-off-by: Avraham Stern <avraham.stern@intel.com>
Fixes: e8fe3b41c3a3 ("iwlwifi: mvm: Add support for 6GHz passive scan")
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
Link: https://lore.kernel.org/r/iwlwifi.20211219121514.6d5c043372cf.I251dd5618a3f0b8febbcca788eb861f1cd6039bc@changeid
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>

iwlwifi: mvm: test roc running status bits before removing the sta

[ Upstream commit 998e1aba6e5eb35370eaf30ccc1823426ec11f90 ]

In some cases the sta is being removed twice since we do not test the
roc aux running before removing it. Start looking at the bit before
removing the sta.

Signed-off-by: Nathan Errera <nathan.errera@intel.com>
Fixes: 2c2c3647cde4 ("iwlwifi: mvm: support ADD_STA_CMD_API_S ver 12")
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
Link: https://lore.kernel.org/r/iwlwifi.20211219121514.d5376ac6bcb0.Ic5f8470ea60c072bde9d1503e5f528b65e301e20@changeid
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>

iwlwifi: mvm: fix 32-bit build in FTM

[ Upstream commit 8b0f92549f2c2458200935c12a2e2a6e80234cf5 ]

On a 32-bit build, the division here needs to be done
using do_div(), otherwise the compiler will try to call
a function that doesn't exist, thus failing to build.

Fixes: b68bd2e3143a ("iwlwifi: mvm: Add FTM initiator RTT smoothing logic")
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
Link: https://lore.kernel.org/r/iwlwifi.20211219111352.e56cbf614a4d.Ib98004ccd2c7a55fd883a8ea7eebd810f406dec6@changeid
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>

rtw88: Disable PCIe ASPM while doing NAPI poll on 8821CE

[ Upstream commit 24f5e38a13b5ae2b6105cda8bb47c19108e62a9a ]

Many Intel based platforms face system random freeze after commit
9e2fd29864c5 ("rtw88: add napi support").

The commit itself shouldn't be the culprit. My guess is that the 8821CE
only leaves ASPM L1 for a short period when IRQ is raised. Since IRQ is
masked during NAPI polling, the PCIe link stays at L1 and makes RX DMA
extremely slow. Eventually the RX ring becomes messed up:
[ 1133.194697] rtw_8821ce 0000:02:00.0: pci bus timeout, check dma status

Since the 8821CE hardware may fail to leave ASPM L1, manually do it in
the driver to resolve the issue.

Fixes: 9e2fd29864c5 ("rtw88: add napi support")
Bugzilla: https://bugzilla.kernel.org/show_bug.cgi?id=215131
BugLink: https://bugs.launchpad.net/bugs/1927808
Signed-off-by: Kai-Heng Feng <kai.heng.feng@canonical.com>
Acked-by: Jian-Hong Pan <jhp@endlessos.org>
Signed-off-by: Kalle Valo <kvalo@kernel.org>
Link: https://lore.kernel.org/r/20211215114635.333767-1-kai.heng.feng@canonical.com
Signed-off-by: Sasha Levin <sashal@kernel.org>

rtw88: add quirk to disable pci caps on HP 250 G7 Notebook PC

[ Upstream commit c81edb8dddaa36c4defa26240cc19127f147283f ]

8821CE causes random freezes on HP 250 G7 Notebook PC. Add a quirk
to disable pci ASPM capability.

Reported-by: rtl8821cerfe2 <rtl8821cerfe2@protonmail.com>
Signed-off-by: Ping-Ke Shih <pkshih@realtek.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
Link: https://lore.kernel.org/r/20211119052437.8671-1-pkshih@realtek.com
Signed-off-by: Sasha Levin <sashal@kernel.org>

wilc1000: fix double free error in probe()

[ Upstream commit 4894edacfa93d7046bec4fc61fc402ac6a2ac9e8 ]

Smatch complains that there is a double free in probe:

drivers/net/wireless/microchip/wilc1000/spi.c:186 wilc_bus_probe() error: double free of 'spi_priv'
drivers/net/wireless/microchip/wilc1000/sdio.c:163 wilc_sdio_probe() error: double free of 'sdio_priv'

The problem is that wilc_netdev_cleanup() function frees "wilc->bus_data".
That's confusing and a layering violation.  Leave the frees in probe(),
delete the free in wilc_netdev_cleanup(), and add some new frees to the
remove() functions.

Fixes: dc8b338f3bcd ("wilc1000: use goto labels on error path")
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Reviewed-by: Claudiu Beznea <claudiu.beznea@microchip.com>
Signed-off-by: Kalle Valo <kvalo@kernel.org>
Link: https://lore.kernel.org/r/20211217150311.GC16611@kili
Signed-off-by: Sasha Levin <sashal@kernel.org>

mt76: mt7921: drop offload_flags overwritten

[ Upstream commit 2363b6a646b65a207345b9a9024dff0eff3fec44 ]

offload_flags have to be dropped for mt7921 because mt76.omac_idx 0 would
always run as station mode that would cause Tx encapsulation setting
is not applied to mac80211.

Also, drop IEEE80211_OFFLOAD_ENCAP_4ADDR too because it is not really
being supported.

Fixes: e0f9fdda81bd ("mt76: mt7921: add ieee80211_ops")
Signed-off-by: Sean Wang <sean.wang@mediatek.com>
Signed-off-by: Felix Fietkau <nbd@nbd.name>
Signed-off-by: Sasha Levin <sashal@kernel.org>

ARM: dts: armada-38x: Add generic compatible to UART nodes

[ Upstream commit 62480772263ab6b52e758f2346c70a526abd1d28 ]

Add generic compatible string "ns16550a" to serial port nodes of Armada
38x.

This makes it possible to use earlycon.

Fixes: 0d3d96ab0059 ("ARM: mvebu: add Device Tree description of the Armada 380/385 SoCs")
Signed-off-by: Pali Rohár <pali@kernel.org>
Signed-off-by: Marek Behún <kabel@kernel.org>
Signed-off-by: Gregory CLEMENT <gregory.clement@bootlin.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>

arm64: dts: marvell: cn9130: enable CP0 GPIO controllers

[ Upstream commit 0734f8311ce72c9041e5142769eff2083889c172 ]

CN9130 has a built-in CP115 which has 2 GPIO controllers, but unlike in
Armada 7k and 8k both are left disabled by the SoC DTSI.

This first of all makes no sense as they are always present due to being
SoC built-in and its an issue as boards like CN9130-CRB use the CPO GPIO2
pins for regulators and SD card support without enabling them first.

So, enable both of them like Armada 7k and 8k do.

Fixes: 6b8970bd8d7a ("arm64: dts: marvell: Add support for Marvell CN9130 SoC support")

Signed-off-by: Robert Marko <robert.marko@sartura.hr>
Signed-off-by: Gregory CLEMENT <gregory.clement@bootlin.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>

arm64: dts: marvell: cn9130: add GPIO and SPI aliases

[ Upstream commit effd42600b987c1e95f946b14fefc1c7639e7439 ]

CN9130 has one CP115 built in, which like the CP110 has 2 GPIO and 2 SPI
controllers built-in.

However, unlike the Armada 7k and 8k the SoC DTSI doesn't add the required
aliases as both the Orion SPI driver and MVEBU GPIO drivers require the
aliases to be present.

So add the required aliases for GPIO and SPI controllers.

Fixes: 6b8970bd8d7a ("arm64: dts: marvell: Add support for Marvell CN9130 SoC support")

Signed-off-by: Robert Marko <robert.marko@sartura.hr>
Signed-off-by: Gregory CLEMENT <gregory.clement@bootlin.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>

usb: ftdi-elan: fix memory leak on device disconnect

[ Upstream commit 1646566b5e0c556f779180a8514e521ac735de1e ]

'ftdi' is alloced when probe device, but not free on device disconnect,
this cause a memory leak as follows:

unreferenced object 0xffff88800d584000 (size 8400):
  comm "kworker/0:2", pid 3809, jiffies 4295453055 (age 13.784s)
  hex dump (first 32 bytes):
    00 40 58 0d 80 88 ff ff 00 40 58 0d 80 88 ff ff  .@X......@X.....
    00 00 00 00 00 00 00 00 00 00 00 00 ad 4e ad de  .............N..
  backtrace:
    [<000000000d47f947>] kmalloc_order_trace+0x19/0x110 mm/slab_common.c:960
    [<000000008548ac68>] ftdi_elan_probe+0x8c/0x880 drivers/usb/misc/ftdi-elan.c:2647
    [<000000007f73e422>] usb_probe_interface+0x31b/0x800 drivers/usb/core/driver.c:396
    [<00000000fe8d07fc>] really_probe+0x299/0xc30 drivers/base/dd.c:517
    [<0000000005da7d32>] __driver_probe_device+0x357/0x500 drivers/base/dd.c:751
    [<000000003c2c9579>] driver_probe_device+0x4e/0x140 drivers/base/dd.c:781

Fix it by freeing 'ftdi' after nobody use it.

Fixes: a5c66e4b2418 ("USB: ftdi-elan: client driver for ELAN Uxxx adapters")
Reported-by: Hulk Robot <hulkci@huawei.com>
Signed-off-by: Wei Yongjun <weiyongjun1@huawei.com>
Link: https://lore.kernel.org/r/20211217083428.2441-1-weiyongjun1@huawei.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>

ARM: 9159/1: decompressor: Avoid UNPREDICTABLE NOP encoding

[ Upstream commit a92882a4d270fbcc021ee6848de5e48b7f0d27f3 ]

In the decompressor's head.S we need to start with an instruction that
is some kind of NOP, but also mimics as the PE/COFF header, when the
kernel is linked as an UEFI application. The clever solution here is
"tstne r0, #0x4d000", which in the worst case just clobbers the
condition flags, and bears the magic "MZ" signature in the lowest 16 bits.

However the encoding used (0x13105a4d) is actually not valid, since bits
[15:12] are supposed to be 0 (written as "(0)" in the ARM ARM).
Violating this is UNPREDICTABLE, and *can* trigger an UNDEFINED
exception. Common Cortex cores seem to ignore those bits, but QEMU
chooses to trap, so the code goes fishing because of a missing exception
handler at this point. We are just saved by the fact that commonly (with
-kernel or when running from U-Boot) the "Z" bit is set, so the
instruction is never executed. See [0] for more details.

To make things more robust and avoid UNPREDICTABLE behaviour in the
kernel code, lets replace this with a "two-instruction NOP":
The first instruction is an exclusive OR, the effect of which the second
instruction reverts. This does not leave any trace, neither in a
register nor in the condition flags. Also it's a perfectly valid
encoding. Kudos to Peter Maydell for coming up with this gem.

[0] https://lore.kernel.org/qemu-devel/YTPIdbUCmwagL5%2FD@os.inf.tu-dresden.de/T/

Link: https://lore.kernel.org/linux-arm-kernel/20210908162617.104962-1-andre.przywara@arm.com/T/
Fixes: 81a0bc39ea19 ("ARM: add UEFI stub support")
Signed-off-by: Andre Przywara <andre.przywara@arm.com>
Reported-by: Adam Lackorzynski <adam@l4re.org>
Suggested-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Ard Biesheuvel <ardb@kernel.org>
Reviewed-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Russell King (Oracle) <rmk+kernel@armlinux.org.uk>
Signed-off-by: Sasha Levin <sashal@kernel.org>

xfrm: state and policy should fail if XFRMA_IF_ID 0

[ Upstream commit 68ac0f3810e76a853b5f7b90601a05c3048b8b54 ]

xfrm ineterface does not allow xfrm if_id = 0
fail to create or update xfrm state and policy.

With this commit:
 ip xfrm policy add src 192.0.2.1 dst 192.0.2.2 dir out if_id 0
 RTNETLINK answers: Invalid argument

 ip xfrm state add src 192.0.2.1 dst 192.0.2.2 proto esp spi 1 \
            reqid 1 mode tunnel aead 'rfc4106(gcm(aes))' \
            0x1111111111111111111111111111111111111111 96 if_id 0
 RTNETLINK answers: Invalid argument

v1->v2 change:
 - add Fixes: tag

Fixes: 9f8550e4bd9d ("xfrm: fix disable_xfrm sysctl when used on xfrm interfaces")
Signed-off-by: Antony Antony <antony.antony@secunet.com>
Signed-off-by: Steffen Klassert <steffen.klassert@secunet.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>

xfrm: interface with if_id 0 should return error

[ Upstream commit 8dce43919566f06e865f7e8949f5c10d8c2493f5 ]

xfrm interface if_id = 0 would cause xfrm policy lookup errors since
Commit 9f8550e4bd9d.

Now explicitly fail to create an xfrm interface when if_id = 0

With this commit:
 ip link add ipsec0  type xfrm dev lo  if_id 0
 Error: if_id must be non zero.

v1->v2 change:
 - add Fixes: tag

Fixes: 9f8550e4bd9d ("xfrm: fix disable_xfrm sysctl when used on xfrm interfaces")
Signed-off-by: Antony Antony <antony.antony@secunet.com>
Reviewed-by: Eyal Birger <eyal.birger@gmail.com>
Signed-off-by: Steffen Klassert <steffen.klassert@secunet.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>

media: hantro: Fix probe func error path

[ Upstream commit 37af43b250fda6162005d47bf7c959c70d52b107 ]

If clocks for some reason couldn't be enabled, probe function returns
immediately, without disabling PM. This obviously leaves PM ref counters
unbalanced.

Fix that by jumping to appropriate error path, so effects of PM functions
are reversed.

Fixes: 775fec69008d ("media: add Rockchip VPU JPEG encoder driver")
Signed-off-by: Jernej Skrabec <jernej.skrabec@gmail.com>
Acked-by: Andrzej Pietrasiewicz <andrzej.p@collabora.com>
Reviewed-by: Ezequiel Garcia <ezequiel@vanguardiasur.com.ar>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>

drm/tegra: vic: Fix DMA API misuse

[ Upstream commit 5566174cb10a5167d59b0793871cab7990b149b8 ]

Upon failure, dma_alloc_coherent() returns NULL. If that does happen,
passing some uninitialised stack contents to dma_mapping_error() - which
belongs to a different API in the first place - has precious little
chance of detecting it.

Also include the correct header, because the fragile transitive
inclusion currently providing it is going to break soon.

Fixes: 20e7dce255e9 ("drm/tegra: Remove memory allocation from Falcon library")
CC: Thierry Reding <thierry.reding@gmail.com>
CC: Mikko Perttunen <mperttunen@nvidia.com>
CC: dri-devel@lists.freedesktop.org
Signed-off-by: Robin Murphy <robin.murphy@arm.com>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Thierry Reding <treding@nvidia.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>

drm/tegra: gr2d: Explicitly control module reset

[ Upstream commit 271fca025a6d43f1c18a48543c5aaf31a31e4694 ]

As of commit 4782c0a5dd88 ("clk: tegra: Don't deassert reset on enabling
clocks"), module resets are no longer automatically deasserted when the
module clock is enabled. To make sure that the gr2d module continues to
work, we need to explicitly control the module reset.

Fixes: 4782c0a5dd88 ("clk: tegra: Don't deassert reset on enabling clocks")
Signed-off-by: Thierry Reding <treding@nvidia.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>

gpu: host1x: select CONFIG_DMA_SHARED_BUFFER

[ Upstream commit 6c7a388b62366f0de9936db3c1921d7f4e0011bc ]

Linking fails when dma-buf is disabled:

ld.lld: error: undefined symbol: dma_fence_release
>>> referenced by fence.c
>>>               gpu/host1x/fence.o:(host1x_syncpt_fence_enable_signaling) in archive drivers/built-in.a
>>> referenced by fence.c
>>>               gpu/host1x/fence.o:(host1x_fence_signal) in archive drivers/built-in.a
>>> referenced by fence.c
>>>               gpu/host1x/fence.o:(do_fence_timeout) in archive drivers/built-in.a

Fixes: 687db2207b1b ("gpu: host1x: Add DMA fence implementation")
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Reviewed-by: Mikko Perttunen <mperttunen@nvidia.com>
Signed-off-by: Thierry Reding <treding@nvidia.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>

drm/bridge: ti-sn65dsi86: Set max register for regmap

[ Upstream commit 0b665d4af35837f0a0ae63135b84a3c187c1db3b ]

Set the maximum register to 0xff so we can dump the registers for this
device in debugfs.

Fixes: a095f15c00e2 ("drm/bridge: add support for sn65dsi86 bridge driver")
Cc: Rob Clark <robdclark@chromium.org>
Cc: Douglas Anderson <dianders@chromium.org>
Cc: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Stephen Boyd <swboyd@chromium.org>
Reviewed-by: Robert Foss <robert.foss@linaro.org>
Signed-off-by: Robert Foss <robert.foss@linaro.org>
Link: https://patchwork.freedesktop.org/patch/msgid/20211215002529.382383-1-swboyd@chromium.org
Signed-off-by: Sasha Levin <sashal@kernel.org>

drm/msm/dpu: fix safe status debugfs file

[ Upstream commit f31b0e24d31e18b4503eeaf0032baeacc0beaff6 ]

Make safe_status debugfs fs file actually return safe status rather than
danger status data.

Fixes: 25fdd5933e4c ("drm/msm: Add SDM845 DPU support")
Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Reviewed-by: Abhinav Kumar <quic_abhinavk@quicinc.com>
Link: https://lore.kernel.org/r/20211201222633.2476780-3-dmitry.baryshkov@linaro.org
Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Signed-off-by: Rob Clark <robdclark@chromium.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>

arm64: dts: qcom: ipq6018: Fix gpio-ranges property

[ Upstream commit 72cb4c48a46a7cfa58eb5842c0d3672ddd5bd9ad ]

There must be three parameters in gpio-ranges property. Fixes this not
very helpful error message:

  OF: /soc/pinctrl@1000000: (null) = 3 found 3

Fixes: 1e8277854b49 ("arm64: dts: Add ipq6018 SoC and CP01 board support")
Cc: Sricharan R <sricharan@codeaurora.org>
Signed-off-by: Baruch Siach <baruch@tkos.co.il>
Tested-by: Bryan O'Donoghue <bryan.odonoghue@linaro.org>
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Link: https://lore.kernel.org/r/8a744cfd96aff5754bfdcf7298d208ddca5b319a.1638862030.git.baruch@tkos.co.il
Signed-off-by: Sasha Levin <sashal@kernel.org>

arm64: dts: qcom: c630: Fix soundcard setup

[ Upstream commit c02b360ca67ebeb9de07b47b2fe53f964c2561d1 ]

Currently Soundcard has 1 rx device for headset and SoundWire Speaker Playback.

This setup has issues, ex if we try to play on headset the audio stream is
also sent to SoundWire Speakers and we will hear sound in both headsets and speakers.

Make a separate device for Speakers and Headset so that the streams are
different and handled properly.

Fixes: 45021d35fcb2 ("arm64: dts: qcom: c630: Enable audio support")
Signed-off-by: Srinivas Kandagatla <srinivas.kandagatla@linaro.org>
Tested-by: Steev Klimaszewski <steev@kali.org>
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Link: https://lore.kernel.org/r/20211209175342.20386-2-srinivas.kandagatla@linaro.org
Signed-off-by: Sasha Levin <sashal@kernel.org>

net: dsa: hellcreek: Add missing PTP via UDP rules

[ Upstream commit 6cf01e451599da630ff1af529d61c5e4db4550ab ]

The switch supports PTP for UDP transport too. Therefore, add the missing static
FDB entries to ensure correct forwarding of these packets.

Fixes: ddd56dfe52c9 ("net: dsa: hellcreek: Add PTP clock support")
Signed-off-by: Kurt Kanzenbach <kurt@linutronix.de>
Acked-by: Richard Cochran <richardcochran@gmail.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>

net: dsa: hellcreek: Allow PTP P2P measurements on blocked ports

[ Upstream commit cad1798d2d0811ded37d1e946c6796102e58013b ]

Allow PTP peer delay measurements on blocked ports by STP. In case of topology
changes the PTP stack can directly start with the correct delays.

Fixes: ddd56dfe52c9 ("net: dsa: hellcreek: Add PTP clock support")
Signed-off-by: Kurt Kanzenbach <kurt@linutronix.de>
Reviewed-by: Vladimir Oltean <olteanv@gmail.com>
Acked-by: Richard Cochran <richardcochran@gmail.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>

net: dsa: hellcreek: Add STP forwarding rule

[ Upstream commit b7ade35eb53a2455f737a623c24e4b24455b2271 ]

Treat STP as management traffic. STP traffic is designated for the CPU port
only. In addition, STP traffic has to pass blocked ports.

Fixes: e4b27ebc780f ("net: dsa: Add DSA driver for Hirschmann Hellcreek switches")
Signed-off-by: Kurt Kanzenbach <kurt@linutronix.de>
Reviewed-by: Vladimir Oltean <olteanv@gmail.com>
Acked-by: Richard Cochran <richardcochran@gmail.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>

net: dsa: hellcreek: Fix insertion of static FDB entries

[ Upstream commit 4db4c3ea56978086ca367a355e440de17d534827 ]

The insertion of static FDB entries ignores the pass_blocked bit. That bit is
evaluated with regards to STP. Add the missing functionality.

Fixes: e4b27ebc780f ("net: dsa: Add DSA driver for Hirschmann Hellcreek switches")
Signed-off-by: Kurt Kanzenbach <kurt@linutronix.de>
Reviewed-by: Vladimir Oltean <olteanv@gmail.com>
Acked-by: Richard Cochran <richardcochran@gmail.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>

ath11k: Fix a NULL pointer dereference in ath11k_mac_op_hw_scan()

[ Upstream commit eccd25136386a04ebf46a64f3a34e8e0fab6d9e1 ]

In ath11k_mac_op_hw_scan(), the return value of kzalloc() is directly
used in memcpy(), which may lead to a NULL pointer dereference on
failure of kzalloc().

Fix this bug by adding a check of arg.extraie.ptr.

This bug was found by a static analyzer. The analysis employs
differential checking to identify inconsistent security operations
(e.g., checks or kfrees) between two code paths and confirms that the
inconsistent operations are not recovered in the current function or
the callers, so they constitute bugs.

Note that, as a bug found by static analysis, it can be a false
positive or hard to trigger. Multiple researchers have cross-reviewed
the bug.

Builds with CONFIG_ATH11K=m show no new warnings, and our static
analyzer no longer warns about this code.

Fixes: d5c65159f289 ("ath11k: driver for Qualcomm IEEE 802.11ax devices")
Signed-off-by: Zhou Qingyang <zhou1615@umn.edu>
Signed-off-by: Kalle Valo <quic_kvalo@quicinc.com>
Link: https://lore.kernel.org/r/20211202155348.71315-1-zhou1615@umn.edu
Signed-off-by: Sasha Levin <sashal@kernel.org>

media: coda/imx-vdoa: Handle dma_set_coherent_mask error codes

[ Upstream commit 43f0633f89947df57fe0b5025bdd741768007708 ]

The return value of dma_set_coherent_mask() is not always 0.
To catch the exception in case that dma is not support the mask.

Link: https://lore.kernel.org/linux-media/20211206022201.1639460-1-jiasheng@iscas.ac.cn
Fixes: b0444f18e0b1 ("[media] coda: add i.MX6 VDOA driver")
Signed-off-by: Jiasheng Jiang <jiasheng@iscas.ac.cn>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>

media: msi001: fix possible null-ptr-deref in msi001_probe()

[ Upstream commit 3d5831a40d3464eea158180eb12cbd81c5edfb6a ]

I got a null-ptr-deref report:

BUG: kernel NULL pointer dereference, address: 0000000000000060
...
RIP: 0010:v4l2_ctrl_auto_cluster+0x57/0x270
...
Call Trace:
 msi001_probe+0x13b/0x24b [msi001]
 spi_probe+0xeb/0x130
...
 do_syscall_64+0x35/0xb0

In msi001_probe(), if the creation of control for bandwidth_auto
fails, there will be a null-ptr-deref issue when it is used in
v4l2_ctrl_auto_cluster().

Check dev->hdl.error before v4l2_ctrl_auto_cluster() to fix this bug.

Link: https://lore.kernel.org/linux-media/20211026112348.2878040-1-wanghai38@huawei.com
Fixes: 93203dd6c7c4 ("[media] msi001: Mirics MSi001 silicon tuner driver")
Reported-by: Hulk Robot <hulkci@huawei.com>
Signed-off-by: Wang Hai <wanghai38@huawei.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>

media: dw2102: Fix use after free

[ Upstream commit 589a9f0eb799f77de2c09583bf5bad221fa5d685 ]

dvb_usb_device_init stores parts of properties at d->props
and d->desc and uses it on dvb_usb_device_exit.
Free of properties on module probe leads to use after free.
Bugzilla: https://bugzilla.kernel.org/show_bug.cgi?id=204597

The patch makes properties static instead of allocated on heap to prevent
memleak and use after free.
Also fixes s421_properties.devices initialization to have 2 element
instead of 6 copied from p7500_properties.

[mchehab: fix function call alignments]
Link: https://lore.kernel.org/linux-media/20190822104147.4420-1-vasilyev@ispras.ru
Signed-off-by: Anton Vasilyev <vasilyev@ispras.ru>
Fixes: 299c7007e936 ("media: dw2102: Fix memleak on sequence of probes")
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>

perf/arm-cmn: Fix CPU hotplug unregistration

[ Upstream commit 56c7c6eaf3eb8ac1ec40d56096c0f2b27250da5f ]

Attempting to migrate the PMU context after we've unregistered the PMU
device, or especially if we never successfully registered it in the
first place, is a woefully bad idea. It's also fundamentally pointless
anyway. Make sure to unregister an instance from the hotplug handler
*without* invoking the teardown callback.

Fixes: 0ba64770a2f2 ("perf: Add Arm CMN-600 PMU driver")
Signed-off-by: Robin Murphy <robin.murphy@arm.com>
Link: https://lore.kernel.org/r/2c221d745544774e4b07583b65b5d4d94f7e0fe4.1638530442.git.robin.murphy@arm.com
Signed-off-by: Will Deacon <will@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>

ARM: dts: gemini: NAS4220-B: fis-index-block with 128 KiB sectors

[ Upstream commit 4754eab7e5a78bdefe7a960c5c260c95ebbb5fa6 ]

Steven Maddox reported in the OpenWrt bugzilla, that his
RaidSonic IB-NAS4220-B was no longer booting with the new
OpenWrt 21.02 (uses linux 5.10's device-tree). However, it was
working with the previous OpenWrt 19.07 series (uses 4.14).

|[    5.548038] No RedBoot partition table detected in 30000000.flash
|[    5.618553] Searching for RedBoot partition table in 30000000.flash at offset 0x0
|[    5.739093] No RedBoot partition table detected in 30000000.flash
|...
|[    7.039504] Waiting for root device /dev/mtdblock3...

The provided bootlog shows that the RedBoot partition parser was
looking for the partition table "at offset 0x0". Which is strange
since the comment in the device-tree says it should be at 0xfe0000.

Further digging on the internet led to a review site that took
some useful PCB pictures of their review unit back in February 2009.
Their picture shows a Spansion S29GL128N11TFI01 flash chip.

>From Spansion's Datasheet:
"S29GL128N: One hundred twenty-eight 64 Kword (128 Kbyte) sectors"
Steven also provided a "cat /sys/class/mtd/mtd0/erasesize" from his
unit: "131072".

With the 128 KiB Sector/Erasesize in mind. This patch changes the
fis-index-block property to (0xfe0000 / 0x20000) = 0x7f.

Fixes: b5a923f8c739 ("ARM: dts: gemini: Switch to redboot partition parsing")
Reported-by: Steven Maddox <s.maddox@lantizia.me.uk>
Signed-off-by: Christian Lamparter <chunkeey@gmail.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Tested-by: Steven Maddox <s.maddox@lantizia.me.uk>
Link: https://lore.kernel.org/r/20211206004334.4169408-1-linus.walleij@linaro.org'
Bugzilla: https://bugs.openwrt.org/index.php?do=details&task_id=4137
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Sasha Levin <sashal@kernel.org>

spi: Fix incorrect cs_setup delay handling

[ Upstream commit 95c07247399536f83b89dc60cfe7b279d17e69f6 ]

Move the cs_setup delay to the end of spi_set_cs.

From include/linux/spi/spi.h:

 * @cs_setup: delay to be introduced by the controller after CS is
   asserted

The cs_setup delay needs to happen *after* CS is asserted, that is, at
the end of spi_set_cs, not at the beginning. Otherwise we're just
delaying before the SPI transaction starts at all, which isn't very
useful.

No drivers use this right now, but that is likely to change soon with an
upcoming Apple SPI HID transport driver.

Fixes: 25093bdeb6bc ("spi: implement SW control for CS times")
Signed-off-by: Hector Martin <marcan@marcan.st>
Link: https://lore.kernel.org/r/20211210170534.177139-1-marcan@marcan.st
Signed-off-by: Mark Brown <broonie@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>

ath11k: Fix deleting uninitialized kernel timer during fragment cache flush

[ Upstream commit ba53ee7f7f38cf0592b8be1dcdabaf8f7535f8c1 ]

frag_timer will be created & initialized for stations when
they associate and will be deleted during every key installation
while flushing old fragments.

For AP interface self peer will be created and Group keys
will be installed for this peer, but there will be no real
Station entry & hence frag_timer won't be created and
initialized, deleting such uninitialized kernel timers causes below
warnings and backtraces printed with CONFIG_DEBUG_OBJECTS_TIMERS
enabled.

[ 177.828008] ODEBUG: assert_init not available (active state 0) object type: timer_list hint: 0x0
[ 177.836833] WARNING: CPU: 3 PID: 188 at lib/debugobjects.c:508 debug_print_object+0xb0/0xf0
[ 177.845185] Modules linked in: ath11k_pci ath11k qmi_helpers qrtr_mhi qrtr ns mhi
[ 177.852679] CPU: 3 PID: 188 Comm: hostapd Not tainted 5.14.0-rc3-32919-g4034139e1838-dirty #14
[ 177.865805] pstate: 60000005 (nZCv daif -PAN -UAO -TCO BTYPE=--)
[ 177.871804] pc : debug_print_object+0xb0/0xf0
[ 177.876155] lr : debug_print_object+0xb0/0xf0
[ 177.880505] sp : ffffffc01169b5a0
[ 177.883810] x29: ffffffc01169b5a0 x28: ffffff80081c2320 x27: ffffff80081c4078
[ 177.890942] x26: ffffff8003fe8f28 x25: ffffff8003de9890 x24: ffffffc01134d738
[ 177.898075] x23: ffffffc010948f20 x22: ffffffc010b2d2e0 x21: ffffffc01169b628
[ 177.905206] x20: ffffffc01134d700 x19: ffffffc010c80d98 x18: 00000000000003f6
[ 177.912339] x17: 203a657079742074 x16: 63656a626f202930 x15: 0000000000000152
[ 177.919471] x14: 0000000000000152 x13: 00000000ffffffea x12: ffffffc010d732e0
[ 177.926603] x11: 0000000000000003 x10: ffffffc010d432a0 x9 : ffffffc010d432f8
[ 177.933735] x8 : 000000000002ffe8 x7 : c0000000ffffdfff x6 : 0000000000000001
[ 177.940866] x5 : 0000000000000000 x4 : 0000000000000000 x3 : 00000000ffffffff
[ 177.947997] x2 : ffffffc010c93240 x1 : ffffff80023624c0 x0 : 0000000000000054
[ 177.955130] Call trace:
[ 177.957567] debug_print_object+0xb0/0xf0
[ 177.961570] debug_object_assert_init+0x124/0x178
[ 177.966269] try_to_del_timer_sync+0x1c/0x70
[ 177.970536] del_timer_sync+0x30/0x50
[ 177.974192] ath11k_peer_frags_flush+0x34/0x68 [ath11k]
[ 177.979439] ath11k_mac_op_set_key+0x1e4/0x338 [ath11k]
[ 177.984673] ieee80211_key_enable_hw_accel+0xc8/0x3d0
[ 177.989722] ieee80211_key_replace+0x360/0x740
[ 177.994160] ieee80211_key_link+0x16c/0x210
[ 177.998337] ieee80211_add_key+0x138/0x338
[ 178.002426] nl80211_new_key+0xfc/0x258
[ 178.006257] genl_family_rcv_msg_doit.isra.17+0xd8/0x120
[ 178.011565] genl_rcv_msg+0xd8/0x1c8
[ 178.015134] netlink_rcv_skb+0x38/0xf8
[ 178.018877] genl_rcv+0x34/0x48
[ 178.022012] netlink_unicast+0x174/0x230
[ 178.025928] netlink_sendmsg+0x188/0x388
[ 178.029845] ____sys_sendmsg+0x218/0x250
[ 178.033763] ___sys_sendmsg+0x68/0x90
[ 178.037418] __sys_sendmsg+0x44/0x88
[ 178.040988] __arm64_sys_sendmsg+0x20/0x28
[ 178.045077] invoke_syscall.constprop.5+0x54/0xe0
[ 178.049776] do_el0_svc+0x74/0xc0
[ 178.053084] el0_svc+0x10/0x18
[ 178.056133] el0t_64_sync_handler+0x88/0xb0
[ 178.060310] el0t_64_sync+0x148/0x14c
[ 178.063966] ---[ end trace 8a5cf0bf9d34a058 ]---

Add changes to not to delete frag timer for peers during
group key installation.

Tested on: IPQ8074 hw2.0 AHB WLAN.HK.2.5.0.1-01092-QCAHKSWPL_SILICONZ-1

Fixes: c3944a562102 ("ath11k: Clear the fragment cache during key install")
Signed-off-by: Rameshkumar Sundaram <quic_ramess@quicinc.com>
Signed-off-by: Kalle Valo <quic_kvalo@quicinc.com>
Link: https://lore.kernel.org/r/1639071421-25078-1-git-send-email-quic_ramess@quicinc.com
Signed-off-by: Sasha Levin <sashal@kernel.org>

crypto: hisilicon/qm - fix incorrect return value of hisi_qm_resume()

[ Upstream commit 3f9dd4c802b96626e869b2d29c8e401dabadd23e ]

When hisi_qm_resume() returns 0, it indicates that the device has started
successfully.  If the device fails to start, hisi_qm_resume() needs to
return the actual error code to the caller instead of 0.

Fixes: d7ea53395b72 ("crypto: hisilicon - add runtime PM ops")
Signed-off-by: Weili Qian <qianweili@huawei.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Signed-off-by: Sasha Levin <sashal@kernel.org>

crypto: stm32 - Revert broken pm_runtime_resume_and_get changes

[ Upstream commit 3d6b661330a7954d8136df98160d525eb04dcd6a ]

We should not call pm_runtime_resume_and_get where the reference
count is expected to be incremented unconditionally.  This patch
reverts these calls to the original unconditional get_sync call.

Reported-by: Heiner Kallweit <hkallweit1@gmail.com>
Fixes: 747bf30fd944 ("crypto: stm32/cryp - Fix PM reference leak...")
Fixes: 1cb3ad701970 ("crypto: stm32/hash - Fix PM reference leak...")
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Acked-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Signed-off-by: Sasha Levin <sashal@kernel.org>

crypto: stm32/cryp - fix bugs and crash in tests

[ Upstream commit 4b898d5cfa4d9a0ad5bc82cb5eafdc092394c6a9 ]

Extra crypto manager auto test were crashing or failling due
to 2 reasons:
- block in a dead loop (dues to issues in cipher end process management)
- crash due to read/write unmapped memory (this crash was also reported
when using openssl afalg engine)

Rework interrupt management, interrupts are masked as soon as they are
no more used: if input buffer is fully consumed, "Input FIFO not full"
interrupt is masked and if output buffer is full, "Output FIFO not
empty" interrupt is masked.
And crypto request finish when input *and* outpout buffer are fully
read/write.

About the crash due to unmapped memory, using scatterwalk_copychunks()
that will map and copy each block fix the issue.
Using this api and copying full block will also fix unaligned data
access, avoid early copy of in/out buffer, and make useless the extra
alignment constraint.

Fixes: 9e054ec21ef8 ("crypto: stm32 - Support for STM32 CRYP crypto module")

Reported-by: Marek Vasut <marex@denx.de>
Signed-off-by: Nicolas Toromanoff <nicolas.toromanoff@foss.st.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Signed-off-by: Sasha Levin <sashal@kernel.org>

crypto: stm32/cryp - fix lrw chaining mode

[ Upstream commit fa97dc2d48b476ea98199d808d3248d285987e99 ]

This fixes the lrw autotest if lrw uses the CRYP as the AES block cipher
provider (as ecb(aes)). At end of request, CRYP should not update the IV
in case of ECB chaining mode. Indeed the ECB chaining mode never uses
the IV, but the software LRW chaining mode uses the IV field as
a counter and due to the (unexpected) update done by CRYP while the AES
block process, the counter get a wrong value when the IV overflow.

Fixes: 5f49f18d27cd ("crypto: stm32/cryp - update to return iv_out")

Signed-off-by: Nicolas Toromanoff <nicolas.toromanoff@foss.st.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Signed-off-by: Sasha Levin <sashal@kernel.org>

crypto: stm32/cryp - fix double pm exit

[ Upstream commit 6c12e742785bf9333faf60bfb96575bdd763448e ]

Delete extraneous lines in probe error handling code: pm was
disabled twice.

Fixes: 65f9aa36ee47 ("crypto: stm32/cryp - Add power management support")

Reported-by: Marek Vasut <marex@denx.de>
Signed-off-by: Nicolas Toromanoff <nicolas.toromanoff@foss.st.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Signed-off-by: Sasha Levin <sashal@kernel.org>

crypto: stm32/cryp - check early input data

[ Upstream commit 39e6e699c7fb92bdb2617b596ca4a4ea35c5d2a7 ]

Some auto tests failed because driver wasn't returning the expected
error with some input size/iv value/tag size.
Now:
 Return 0 early for empty buffer. (We don't need to start the engine for
 an empty input buffer).
 Accept any valid authsize for gcm(aes).
 Return -EINVAL if iv for ccm(aes) is invalid.
 Return -EINVAL if buffer size is a not a multiple of algorithm block size.

Fixes: 9e054ec21ef8 ("crypto: stm32 - Support for STM32 CRYP crypto module")

Signed-off-by: Nicolas Toromanoff <nicolas.toromanoff@foss.st.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Signed-off-by: Sasha Levin <sashal@kernel.org>

crypto: stm32/cryp - fix xts and race condition in crypto_engine requests

[ Upstream commit d703c7a994ee34b7fa89baf21631fca0aa9f17fc ]

Don't erase key:
If key is erased before the crypto_finalize_.*_request() call, some
pending process will run with a key={ 0 }.
Moreover if the key is reset at end of request, it breaks xts chaining
mode, as for last xts block (in case input len is not a multiple of
block) a new AES request is started without calling again set_key().

Fixes: 9e054ec21ef8 ("crypto: stm32 - Support for STM32 CRYP crypto module")

Signed-off-by: Nicolas Toromanoff <nicolas.toromanoff@foss.st.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Signed-off-by: Sasha Levin <sashal@kernel.org>

crypto: stm32/cryp - fix CTR counter carry

[ Upstream commit 41c76690b0990efacd15d35cfb4e77318cd80ebb ]

STM32 CRYP hardware doesn't manage CTR counter bigger than max U32, as
a workaround, at each block the current IV is saved, if the saved IV
lower u32 is 0xFFFFFFFF, the full IV is manually incremented, and set
in hardware.
Fixes: bbb2832620ac ("crypto: stm32 - Fix sparse warnings")

Signed-off-by: Nicolas Toromanoff <nicolas.toromanoff@foss.st.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Signed-off-by: Sasha Levin <sashal@kernel.org>

selftests: harness: avoid false negatives if test has no ASSERTs

[ Upstream commit 3abedf4646fdc0036fcb8ebbc3b600667167fafe ]

Test can fail either immediately when ASSERT() failed or at the
end if one or more EXPECT() was not met. The exact return code
is decided based on the number of successful ASSERT()s.

If test has no ASSERT()s, however, the return code will be 0,
as if the test did not fail. Start counting ASSERT()s from 1.

Fixes: 369130b63178 ("selftests: Enhance kselftest_harness.h to print which assert failed")
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Signed-off-by: Shuah Khan <skhan@linuxfoundation.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>

selftests: clone3: clone3: add case CLONE3_ARGS_NO_TEST

[ Upstream commit a531b0c23c0fc68ad758cc31a74cf612a4dafeb0 ]

Building selftests/clone3 with clang warns about enumeration not handled
in switch case:

clone3.c:54:10: warning: enumeration value 'CLONE3_ARGS_NO_TEST' not handled in switch [-Wswitch]
        switch (test_mode) {
                ^

Add the missing switch case with a comment.

Fixes: 17a810699c18 ("selftests: add tests for clone3()")
Signed-off-by: Anders Roxell <anders.roxell@linaro.org>
Acked-by: Christian Brauner <christian.brauner@ubuntu.com>
Signed-off-by: Shuah Khan <skhan@linuxfoundation.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>

x86/uaccess: Move variable into switch case statement

[ Upstream commit 61646ca83d3889696f2772edaff122dd96a2935e ]

When building with automatic stack variable initialization, GCC 12
complains about variables defined outside of switch case statements.
Move the variable into the case that uses it, which silences the warning:

./arch/x86/include/asm/uaccess.h:317:23: warning: statement will never be executed [-Wswitch-unreachable]
  317 |         unsigned char x_u8__; \
      |                       ^~~~~~

Fixes: 865c50e1d279 ("x86/uaccess: utilize CONFIG_CC_HAS_ASM_GOTO_OUTPUT")
Signed-off-by: Kees Cook <keescook@chromium.org>
Signed-off-by: Dave Hansen <dave.hansen@linux.intel.com>
Signed-off-by: Borislav Petkov <bp@suse.de>
Link: https://lkml.kernel.org/r/20211209043456.1377875-1-keescook@chromium.org
Signed-off-by: Sasha Levin <sashal@kernel.org>

xfrm: fix a small bug in xfrm_sa_len()

[ Upstream commit 7770a39d7c63faec6c4f33666d49a8cb664d0482 ]

copy_user_offload() will actually push a struct struct xfrm_user_offload,
which is different than (struct xfrm_state *)->xso
(struct xfrm_state_offload)

Fixes: d77e38e612a01 ("xfrm: Add an IPsec hardware offloading API")
Signed-off-by: Eric Dumazet <edumazet@google.com>
Cc: Steffen Klassert <steffen.klassert@secunet.com>
Signed-off-by: Steffen Klassert <steffen.klassert@secunet.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>

mwifiex: Fix possible ABBA deadlock

[ Upstream commit 1b8bb8919ef81bfc8873d223b9361f1685f2106d ]

Quoting Jia-Ju Bai <baijiaju1990@gmail.com>:

  mwifiex_dequeue_tx_packet()
     spin_lock_bh(&priv->wmm.ra_list_spinlock); --> Line 1432 (Lock A)
     mwifiex_send_addba()
       spin_lock_bh(&priv->sta_list_spinlock); --> Line 608 (Lock B)

  mwifiex_process_sta_tx_pause()
     spin_lock_bh(&priv->sta_list_spinlock); --> Line 398 (Lock B)
     mwifiex_update_ralist_tx_pause()
       spin_lock_bh(&priv->wmm.ra_list_spinlock); --> Line 941 (Lock A)

Similar report for mwifiex_process_uap_tx_pause().

While the locking expectations in this driver are a bit unclear, the
Fixed commit only intended to protect the sta_ptr, so we can drop the
lock as soon as we're done with it.

IIUC, this deadlock cannot actually happen, because command event
processing (which calls mwifiex_process_sta_tx_pause()) is
sequentialized with TX packet processing (e.g.,
mwifiex_dequeue_tx_packet()) via the main loop (mwifiex_main_process()).
But it's good not to leave this potential issue lurking.

Fixes: f0f7c2275fb9 ("mwifiex: minor cleanups w/ sta_list_spinlock in cfg80211.c")
Cc: Douglas Anderson <dianders@chromium.org>
Reported-by: TOTE Robot <oslab@tsinghua.edu.cn>
Link: https://lore.kernel.org/linux-wireless/0e495b14-efbb-e0da-37bd-af6bd677ee2c@gmail.com/
Signed-off-by: Brian Norris <briannorris@chromium.org>
Reviewed-by: Douglas Anderson <dianders@chromium.org>
Signed-off-by: Kalle Valo <kvalo@kernel.org>
Link: https://lore.kernel.org/r/YaV0pllJ5p/EuUat@google.com
Signed-off-by: Sasha Levin <sashal@kernel.org>

drm/msm/dsi: fix initialization in the bonded DSI case

[ Upstream commit 92cb1bedde9dba78d802fe2510949743a2581aed ]

Commit 739b4e7756d3 ("drm/msm/dsi: Fix an error code in
msm_dsi_modeset_init()") changed msm_dsi_modeset_init() to return an
error code in case msm_dsi_manager_validate_current_config() returns
false. However this is not an error case, but a slave DSI of the bonded
DSI link. In this case msm_dsi_modeset_init() should return 0, but just
skip connector and bridge initialization.

To reduce possible confusion, drop the
msm_dsi_manager_validate_current_config() function, and specif 'bonded
&& !master' condition directly in the msm_dsi_modeset_init().

Fixes: 739b4e7756d3 ("drm/msm/dsi: Fix an error code in msm_dsi_modeset_init()")
Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Reviewed-by: Abhinav Kumar <quic_abhinavk@quicinc.com>
Link: https://lore.kernel.org/r/20211125180114.561278-1-dmitry.baryshkov@linaro.org
Signed-off-by: Rob Clark <robdclark@chromium.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>

wcn36xx: Fix max channels retrieval

[ Upstream commit 09cab4308bf9b8076ee4a3c56015daf9ef9cb23e ]

Kernel test robot reported:drivers/net/wireless/ath/wcn36xx/smd.c:943:33:
   sparse: sparse: cast truncates bits from constant value (780 becomes 80)

The 'channels' field is not a simple u8 array but an array of
channel_params. Using sizeof for retrieving the max number of
channels is then wrong.

In practice, it was not an issue, because the sizeof returned
value is 780, which is truncated in min_t (u8) to 80, which is
the value we expect...

Fix that properly using ARRAY_SIZE instead of sizeof.

Fixes: d707f812bb05 ("wcn36xx: Channel list update before hardware scan")
Reported-by: kernel test robot <lkp@intel.com>
Signed-off-by: Loic Poulain <loic.poulain@linaro.org>
Signed-off-by: Kalle Valo <quic_kvalo@quicinc.com>
Link: https://lore.kernel.org/r/1638435732-14657-1-git-send-email-loic.poulain@linaro.org
Signed-off-by: Sasha Levin <sashal@kernel.org>

rcu/exp: Mark current CPU as exp-QS in IPI loop second pass

[ Upstream commit 81f6d49cce2d2fe507e3fddcc4a6db021d9c2e7b ]

Expedited RCU grace periods invoke sync_rcu_exp_select_node_cpus(), which
takes two passes over the leaf rcu_node structure's CPUs.  The first
pass gathers up the current CPU and CPUs that are in dynticks idle mode.
The workqueue will report a quiescent state on their behalf later.
The second pass sends IPIs to the rest of the CPUs, but excludes the
current CPU, incorrectly assuming it has been included in the first
pass's list of CPUs.

Unfortunately the current CPU may have changed between the first and
second pass, due to the fact that the various rcu_node structures'
->lock fields have been dropped, thus momentarily enabling preemption.
This means that if the second pass's CPU was not on the first pass's
list, it will be ignored completely.  There will be no IPI sent to
it, and there will be no reporting of quiescent states on its behalf.
Unfortunately, the expedited grace period will nevertheless be waiting
for that CPU to report a quiescent state, but with that CPU having no
reason to believe that such a report is needed.

The result will be an expedited grace period stall.

Fix this by no longer excluding the current CPU from consideration during
the second pass.

Fixes: b9ad4d6ed18e ("rcu: Avoid self-IPI in sync_rcu_exp_select_node_cpus()")
Reviewed-by: Neeraj Upadhyay <quic_neeraju@quicinc.com>
Signed-off-by: Frederic Weisbecker <frederic@kernel.org>
Cc: Uladzislau Rezki <urezki@gmail.com>
Cc: Neeraj Upadhyay <quic_neeraju@quicinc.com>
Cc: Boqun Feng <boqun.feng@gmail.com>
Cc: Josh Triplett <josh@joshtriplett.org>
Cc: Joel Fernandes <joel@joelfernandes.org>
Signed-off-by: Paul E. McKenney <paulmck@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>

drm/msm/dp: displayPort driver need algorithm rational

[ Upstream commit 53d22794711ad630f40d59dd726bd260d77d585f ]

Let's select RATIONAL with dp driver. avoid like:

[...]
x86_64-linux-gnu-ld: drivers/gpu/drm/msm/dp/dp_catalog.o: in function `dp_catalog_ctrl_config_msa':
dp_catalog.c:(.text+0x57e): undefined reference to `rational_best_approximation'

Fixes: c943b4948b58 ("drm/msm/dp: add displayPort driver support")
Reported-by: kernelbot <kernel-bot@kylinos.cn>
Signed-off-by: Jackie Liu <liuyun01@kylinos.cn>
Link: https://lore.kernel.org/r/20211110070950.3355597-2-liu.yun@linux.dev
Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Signed-off-by: Rob Clark <robdclark@chromium.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>

drm/msm/gpu: Don't allow zero fence_id

[ Upstream commit ca3ffcbeb0c866d9b0cb38eaa2bd4416597b5966 ]

Elsewhere we treat zero as "no fence" and __msm_gem_submit_destroy()
skips removal from fence_idr.  We could alternately change this to use
negative values for "no fence" but I think it is more clear to not allow
zero as a valid fence_id.

Signed-off-by: Rob Clark <robdclark@chromium.org>
Fixes: a61acbbe9cf8 ("drm/msm: Track "seqno" fences by idr")
Link: https://lore.kernel.org/r/20211129182344.292609-1-robdclark@gmail.com
Signed-off-by: Rob Clark <robdclark@chromium.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>

drm/amd/display: Fix out of bounds access on DNC31 stream encoder regs

[ Upstream commit d374d3b493215d637b9e7be12a93f22caf4c1f97 ]

[Why]
During dcn31_stream_encoder_create, if PHYC/D get remapped to F/G on B0
then we'll index 5 or 6 into a array of length 5 - leading to an
access violation on some configs during device creation.

[How]
Software won't be touching PHYF/PHYG directly, so just extend the
array to cover all possible engine IDs.

Even if it does by try to access one of these registers by accident
the offset will be 0 and we'll get a warning during the access.

Fixes: 2fe9a0e1173f ("drm/amd/display: Fix DCN3 B0 DP Alt Mapping")
Reviewed-by: Harry Wentland <harry.wentland@amd.com>
Signed-off-by: Nicholas Kazlauskas <nicholas.kazlauskas@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>

drm/amd/display: Fix bug in debugfs crc_win_update entry

[ Upstream commit 4bef85d4c9491415b7931407b07f24841c1e0390 ]

[Why]
crc_rd_wrk shouldn't be null in crc_win_update_set(). Current programming
logic is inconsistent in crc_win_update_set().

[How]
Initially, return if crc_rd_wrk is NULL. Later on, we can use member of
crc_rd_wrk safely.

Reported-by: kernel test robot <lkp@intel.com>
Reported-by: Dan Carpenter <dan.carpenter@oracle.com>
Fixes: 9a65df193108 ("drm/amd/display: Use PSP TA to read out crc")

Reviewed-by: Rodrigo Siqueira <Rodrigo.Siqueira@amd.com>
Acked-by: Pavle Kotarac <Pavle.Kotarac@amd.com>
Signed-off-by: Wayne Lin <Wayne.Lin@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>

Bluetooth: btusb: Handle download_firmware failure cases

[ Upstream commit 00c0ee9850b7b0cb7c40b8daba806ae2245e59d4 ]

For Mediatek chipset, it can not enabled if there are something wrong
in btmtk_setup_firmware_79xx(). Thus, the process must be terminated
and returned error code.

Fixes: fc342c4dc4087 ("Bluetooth: btusb: Add protocol support for MediaTek MT7921U USB devices")
Co-developed-by: Sean Wang <sean.wang@mediatek.com>
Signed-off-by: Sean Wang <sean.wang@mediatek.com>
Signed-off-by: Mark Chen <mark-yw.chen@mediatek.com>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>

Bluetooth: MGMT: Use hci_dev_test_and_{set,clear}_flag

[ Upstream commit 6f59f991b4e735323f099ac6490e725ae8c750a5 ]

This make use of hci_dev_test_and_{set,clear}_flag instead of doing 2
operations in a row.

Fixes: cbbdfa6f33198 ("Bluetooth: Enable controller RPA resolution using Experimental feature")
Signed-off-by: Luiz Augusto von Dentz <luiz.von.dentz@intel.com>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>

Bluetooth: refactor set_exp_feature with a feature table

[ Upstream commit 93fb70bc112e922def6e50b37e20ccfce0c67c0a ]

This patch refactors the set_exp_feature with a feature table
consisting of UUIDs and the corresponding callback functions.
In this way, a new experimental feature setting function can be
simply added with its UUID and callback function.

Signed-off-by: Joseph Hwang <josephsih@chromium.org>
Signed-off-by: Luiz Augusto von Dentz <luiz.von.dentz@intel.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>

ath10k: Fix the MTU size on QCA9377 SDIO

[ Upstream commit 09b8cd69edcf2be04a781e1781e98e52a775c9ad ]

On an imx6dl-pico-pi board with a QCA9377 SDIO chip, simply trying to
connect via ssh to another machine causes:

[   55.824159] ath10k_sdio mmc1:0001:1: failed to transmit packet, dropping: -12
[   55.832169] ath10k_sdio mmc1:0001:1: failed to submit frame: -12
[   55.838529] ath10k_sdio mmc1:0001:1: failed to push frame: -12
[   55.905863] ath10k_sdio mmc1:0001:1: failed to transmit packet, dropping: -12
[   55.913650] ath10k_sdio mmc1:0001:1: failed to submit frame: -12
[   55.919887] ath10k_sdio mmc1:0001:1: failed to push frame: -12

, leading to an ssh connection failure.

One user inspected the size of frames on Wireshark and reported
the followig:

"I was able to narrow the issue down to the mtu. If I set the mtu for
the wlan0 device to 1486 instead of 1500, the issue does not happen.

The size of frames that I see on Wireshark is exactly 1500 after
setting it to 1486."

Clearing the HI_ACS_FLAGS_ALT_DATA_CREDIT_SIZE avoids the problem and
the ssh command works successfully after that.

Introduce a 'credit_size_workaround' field to ath10k_hw_params for
the QCA9377 SDIO, so that the HI_ACS_FLAGS_ALT_DATA_CREDIT_SIZE
is not set in this case.

Tested with QCA9377 SDIO with firmware WLAN.TF.1.1.1-00061-QCATFSWPZ-1.

Fixes: 2f918ea98606 ("ath10k: enable alt data of TX path for sdio")
Signed-off-by: Fabio Estevam <festevam@denx.de>
Signed-off-by: Kalle Valo <quic_kvalo@quicinc.com>
Link: https://lore.kernel.org/r/20211124131047.713756-1-festevam@denx.de
Signed-off-by: Sasha Levin <sashal@kernel.org>

sched/rt: Try to restart rt period timer when rt runtime exceeded

[ Upstream commit 9b58e976b3b391c0cf02e038d53dd0478ed3013c ]

When rt_runtime is modified from -1 to a valid control value, it may
cause the task to be throttled all the time. Operations like the following
will trigger the bug. E.g:

  1. echo -1 > /proc/sys/kernel/sched_rt_runtime_us
  2. Run a FIFO task named A that executes while(1)
  3. echo 950000 > /proc/sys/kernel/sched_rt_runtime_us

When rt_runtime is -1, The rt period timer will not be activated when task
A enqueued. And then the task will be throttled after setting rt_runtime to
950,000. The task will always be throttled because the rt period timer is
not activated.

Fixes: d0b27fa77854 ("sched: rt-group: synchonised bandwidth period")
Reported-by: Hulk Robot <hulkci@huawei.com>
Signed-off-by: Li Hua <hucool.lihua@huawei.com>
Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Link: https://lkml.kernel.org/r/20211203033618.11895-1-hucool.lihua@huawei.com
Signed-off-by: Sasha Levin <sashal@kernel.org>

wireless: iwlwifi: Fix a double free in iwl_txq_dyn_alloc_dma

[ Upstream commit f973795a8d19cbf3d03807704eb7c6ff65788d5a ]

In iwl_txq_dyn_alloc_dma, txq->tfds is freed at first time by:
iwl_txq_alloc()->goto err_free_tfds->dma_free_coherent(). But
it forgot to set txq->tfds to NULL.

Then the txq->tfds is freed again in iwl_txq_dyn_alloc_dma by:
goto error->iwl_txq_gen2_free_memory()->dma_free_coherent().

My patch sets txq->tfds to NULL after the first free to avoid the
double free.

Fixes: 0cd1ad2d7fd41 ("iwlwifi: move all bus-independent TX functions to common code")
Signed-off-by: Lv Yunlong <lyl2019@mail.ustc.edu.cn>
Link: https://lore.kernel.org/r/20210403054755.4781-1-lyl2019@mail.ustc.edu.cn
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>

media: si2157: Fix "warm" tuner state detection

[ Upstream commit a6441ea29cb2c9314654e093a1cd8020b9b851c8 ]

Commit e955f959ac52 ("media: si2157: Better check for running tuner in
init") completely broke the "warm" tuner detection of the si2157 driver
due to a simple endian error: The Si2157 CRYSTAL_TRIM property code is
0x0402 and needs to be transmitted LSB first. However, it was inserted
MSB first, causing the warm detection to always fail and spam the kernel
log with tuner initialization messages each time the DVB frontend
device was closed and reopened:

[  312.215682] si2157 16-0060: found a 'Silicon Labs Si2157-A30'
[  312.264334] si2157 16-0060: firmware version: 3.0.5
[  342.248593] si2157 16-0060: found a 'Silicon Labs Si2157-A30'
[  342.295743] si2157 16-0060: firmware version: 3.0.5
[  372.328574] si2157 16-0060: found a 'Silicon Labs Si2157-A30'
[  372.385035] si2157 16-0060: firmware version: 3.0.5

Also, the reinitializations were observed disturb _other_ tuners on
multi-tuner cards such as the Hauppauge WinTV-QuadHD, leading to missed
or errored packets when one of the other DVB frontend devices on that
card was opened.

Fix the order of the property code bytes to make the warm detection work
again, also reducing the tuner initialization message in the kernel log
to once per power-on, as well as fixing the interference with other
tuners.

Link: https://lore.kernel.org/linux-media/trinity-2a86eb9d-6264-4387-95e1-ba7b79a4050f-1638392923493@3c-app-gmx-bap03
Fixes: e955f959ac52 ("media: si2157: Better check for running tuner in init")
Reported-by: Robert Schlabbach <robert_s@gmx.net>
Signed-off-by: Robert Schlabbach <robert_s@gmx.net>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>

media: saa7146: mxb: Fix a NULL pointer dereference in mxb_attach()

[ Upstream commit 0407c49ebe330333478440157c640fffd986f41b ]

In mxb_attach(dev, info), saa7146_vv_init() is called to allocate a
new memory for dev->vv_data. saa7146_vv_release() will be called on
failure of mxb_probe(dev). There is a dereference of dev->vv_data
in saa7146_vv_release(), which could lead to a NULL pointer dereference
on failure of saa7146_vv_init().

Fix this bug by adding a check of saa7146_vv_init().

This bug was found by a static analyzer. The analysis employs
differential checking to identify inconsistent security operations
(e.g., checks or kfrees) between two code paths and confirms that the
inconsistent operations are not recovered in the current function or
the callers, so they constitute bugs.

Note that, as a bug found by static analysis, it can be a false
positive or hard to trigger. Multiple researchers have cross-reviewed
the bug.

Builds with CONFIG_VIDEO_MXB=m show no new warnings,
and our static analyzer no longer warns about this code.

Fixes: 03b1930efd3c ("V4L/DVB: saa7146: fix regression of the av7110/budget-av driver")
Signed-off-by: Zhou Qingyang <zhou1615@umn.edu>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>

media: dib8000: Fix a memleak in dib8000_init()

[ Upstream commit 8dbdcc7269a83305ee9d677b75064d3530a48ee2 ]

In dib8000_init(), the variable fe is not freed or passed out on the
failure of dib8000_identify(&state->i2c), which could lead to a memleak.

Fix this bug by adding a kfree of fe in the error path.

This bug was found by a static analyzer. The analysis employs
differential checking to identify inconsistent security operations
(e.g., checks or kfrees) between two code paths and confirms that the
inconsistent operations are not recovered in the current function or
the callers, so they constitute bugs.

Note that, as a bug found by static analysis, it can be a false
positive or hard to trigger. Multiple researchers have cross-reviewed
the bug.

Builds with CONFIG_DVB_DIB8000=m show no new warnings,
and our static analyzer no longer warns about this code.

Fixes: 77e2c0f5d471 ("V4L/DVB (12900): DiB8000: added support for DiBcom ISDB-T/ISDB-Tsb demodulator DiB8000")
Signed-off-by: Zhou Qingyang <zhou1615@umn.edu>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>

samples: bpf: Fix 'unknown warning group' build warning on Clang

[ Upstream commit 6f670d06e47c774bc065aaa84a527a4838f34bd8 ]

Clang doesn't have 'stringop-truncation' group like GCC does, and
complains about it when building samples which use xdp_sample_user
infra:

 samples/bpf/xdp_sample_user.h:48:32: warning: unknown warning group '-Wstringop-truncation', ignored [-Wunknown-warning-option]
 #pragma GCC diagnostic ignored "-Wstringop-truncation"
                                ^
[ repeat ]

Those are harmless, but avoidable when guarding it with ifdef.
I could guard push/pop as well, but this would require one more
ifdef cruft around a single line which I don't think is reasonable.

Fixes: 156f886cf697 ("samples: bpf: Add basic infrastructure for XDP samples")
Signed-off-by: Alexander Lobakin <alexandr.lobakin@intel.com>
Signed-off-by: Andrii Nakryiko <andrii@kernel.org>
Acked-by: Kumar Kartikeya Dwivedi <memxor@gmail.com>
Link: https://lore.kernel.org/bpf/20211203195004.5803-3-alexandr.lobakin@intel.com
Signed-off-by: Sasha Levin <sashal@kernel.org>

samples: bpf: Fix xdp_sample_user.o linking with Clang

[ Upstream commit e64fbcaa7a666f16329b1c67af15ea501bc84586 ]

Clang (13) doesn't get the jokes about specifying libraries to link in
cclags of individual .o objects:

clang-13: warning: -lm: 'linker' input unused [-Wunused-command-line-argument]
[ ... ]
  LD  samples/bpf/xdp_redirect_cpu
  LD  samples/bpf/xdp_redirect_map_multi
  LD  samples/bpf/xdp_redirect_map
  LD  samples/bpf/xdp_redirect
  LD  samples/bpf/xdp_monitor
/usr/bin/ld: samples/bpf/xdp_sample_user.o: in function `sample_summary_print':
xdp_sample_user.c:(.text+0x84c): undefined reference to `floor'
/usr/bin/ld: xdp_sample_user.c:(.text+0x870): undefined reference to `ceil'
/usr/bin/ld: xdp_sample_user.c:(.text+0x8cf): undefined reference to `floor'
/usr/bin/ld: xdp_sample_user.c:(.text+0x8f3): undefined reference to `ceil'
[ more ]

Specify '-lm' as ldflags for all xdp_sample_user.o users in the main
Makefile and remove it from ccflags of ^ in Makefile.target -- just
like it's done for all other samples. This works with all compilers.

Fixes: 6e1051a54e31 ("samples: bpf: Convert xdp_monitor to XDP samples helper")
Fixes: b926c55d856c ("samples: bpf: Convert xdp_redirect to XDP samples helper")
Fixes: e531a220cc59 ("samples: bpf: Convert xdp_redirect_cpu to XDP samples helper")
Fixes: bbe65865aa05 ("samples: bpf: Convert xdp_redirect_map to XDP samples helper")
Fixes: 594a116b2aa1 ("samples: bpf: Convert xdp_redirect_map_multi to XDP samples helper")
Signed-off-by: Alexander Lobakin <alexandr.lobakin@intel.com>
Signed-off-by: Andrii Nakryiko <andrii@kernel.org>
Acked-by: Kumar Kartikeya Dwivedi <memxor@gmail.com>
Link: https://lore.kernel.org/bpf/20211203195004.5803-2-alexandr.lobakin@intel.com
Signed-off-by: Sasha Levin <sashal@kernel.org>

samples/bpf: Clean up samples/bpf build failes

[ Upstream commit 527024f7aeb683ce7ef49b07ef7ce9ecf015288d ]

Remove xdp_samples_user.o rule redefinition which generates Makefile
warning and instead override TPROGS_CFLAGS. This seems to work fine when
building inside selftests/bpf.

That was one big head-scratcher before I found that generic
Makefile.target hid this surprising specialization for for xdp_samples_user.o.

Main change is to use actual locally installed libbpf headers.

Also drop printk macro re-definition (not even used!).

Signed-off-by: Andrii Nakryiko <andrii@kernel.org>
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
Link: https://lore.kernel.org/bpf/20211201232824.3166325-8-andrii@kernel.org
Signed-off-by: Sasha Levin <sashal@kernel.org>

samples/bpf: Install libbpf headers when building

[ Upstream commit 3f7a3318a7c60947e27be372950840a5eab976d0 ]

API headers from libbpf should not be accessed directly from the source
directory. Instead, they should be exported with "make install_headers".
Make sure that samples/bpf/Makefile installs the headers properly when
building.

The object compiled from and exported by libbpf are now placed into a
subdirectory of sample/bpf/ instead of remaining in tools/lib/bpf/. We
attempt to remove this directory on "make clean". However, the "clean"
target re-enters the samples/bpf/ directory from the root of the
repository ("$(MAKE) -C ../../ M=$(CURDIR) clean"), in such a way that
$(srctree) and $(src) are not defined, making it impossible to use
$(LIBBPF_OUTPUT) and $(LIBBPF_DESTDIR) in the recipe. So we only attempt
to clean $(CURDIR)/libbpf, which is the default value.

Add a dependency on libbpf's headers for the $(TRACE_HELPERS).

We also change the output directory for bpftool, to place the generated
objects under samples/bpf/bpftool/ instead of building in bpftool's
directory directly. Doing so, we make sure bpftool reuses the libbpf
library previously compiled and installed.

Signed-off-by: Quentin Monnet <quentin@isovalent.com>
Signed-off-by: Andrii Nakryiko <andrii@kernel.org>
Link: https://lore.kernel.org/bpf/20211007194438.34443-10-quentin@isovalent.com
Signed-off-by: Sasha Levin <sashal@kernel.org>