Merge tag 'v3.18' into drm-next
authorDave Airlie <airlied@redhat.com>
Mon, 8 Dec 2014 00:33:52 +0000 (10:33 +1000)
committerDave Airlie <airlied@redhat.com>
Mon, 8 Dec 2014 00:33:52 +0000 (10:33 +1000)
Linux 3.18

Backmerge Linus tree into -next as we had conflicts in i915/radeon/nouveau,
and everyone was solving them individually.

* tag 'v3.18': (57 commits)
  Linux 3.18
  watchdog: s3c2410_wdt: Fix the mask bit offset for Exynos7
  uapi: fix to export linux/vm_sockets.h
  i2c: cadence: Set the hardware time-out register to maximum value
  i2c: davinci: generate STP always when NACK is received
  ahci: disable MSI on SAMSUNG 0xa800 SSD
  context_tracking: Restore previous state in schedule_user
  slab: fix nodeid bounds check for non-contiguous node IDs
  lib/genalloc.c: export devm_gen_pool_create() for modules
  mm: fix anon_vma_clone() error treatment
  mm: fix swapoff hang after page migration and fork
  fat: fix oops on corrupted vfat fs
  ipc/sem.c: fully initialize sem_array before making it visible
  drivers/input/evdev.c: don't kfree() a vmalloc address
  cxgb4: Fill in supported link mode for SFP modules
  xen-netfront: Remove BUGs on paged skb data which crosses a page boundary
  mm/vmpressure.c: fix race in vmpressure_work_fn()
  mm: frontswap: invalidate expired data on a dup-store failure
  mm: do not overwrite reserved pages counter at show_mem()
  drm/radeon: kernel panic in drm_calc_vbltimestamp_from_scanoutpos with 3.18.0-rc6
  ...

Conflicts:
drivers/gpu/drm/i915/intel_display.c
drivers/gpu/drm/nouveau/nouveau_drm.c
drivers/gpu/drm/radeon/radeon_cs.c

60 files changed:
MAINTAINERS
Makefile
arch/s390/kernel/nmi.c
arch/x86/boot/compressed/Makefile
arch/x86/kernel/cpu/microcode/core.c
block/bio-integrity.c
drivers/acpi/video.c
drivers/ata/ahci.c
drivers/ata/sata_fsl.c
drivers/gpu/drm/i915/intel_display.c
drivers/gpu/drm/i915/intel_lvds.c
drivers/gpu/drm/nouveau/core/engine/device/nvc0.c
drivers/gpu/drm/nouveau/core/engine/fifo/nv04.c
drivers/gpu/drm/nouveau/core/engine/fifo/nvc0.c
drivers/gpu/drm/nouveau/core/engine/fifo/nve0.c
drivers/gpu/drm/nouveau/nouveau_drm.c
drivers/gpu/drm/nouveau/nouveau_fence.c
drivers/gpu/drm/nouveau/nouveau_fence.h
drivers/gpu/drm/radeon/radeon_cs.c
drivers/gpu/drm/radeon/radeon_kms.c
drivers/gpu/drm/radeon/radeon_object.c
drivers/i2c/busses/i2c-cadence.c
drivers/i2c/busses/i2c-davinci.c
drivers/i2c/busses/i2c-designware-core.c
drivers/i2c/busses/i2c-omap.c
drivers/input/evdev.c
drivers/media/i2c/smiapp/smiapp-core.c
drivers/media/pci/cx23885/cx23885-core.c
drivers/media/pci/solo6x10/solo6x10-core.c
drivers/media/rc/ir-rc6-decoder.c
drivers/media/usb/s2255/s2255drv.c
drivers/net/bonding/bond_netlink.c
drivers/net/ethernet/chelsio/cxgb4/cxgb4_main.c
drivers/net/ethernet/renesas/sh_eth.c
drivers/net/ethernet/renesas/sh_eth.h
drivers/net/ethernet/stmicro/stmmac/stmmac_platform.c
drivers/net/xen-netfront.c
drivers/of/fdt.c
drivers/pci/host/pci-tegra.c
drivers/watchdog/s3c2410_wdt.c
fs/fat/namei_vfat.c
fs/jbd2/journal.c
include/uapi/linux/Kbuild
ipc/sem.c
kernel/sched/core.c
lib/genalloc.c
lib/show_mem.c
mm/frontswap.c
mm/memory.c
mm/mmap.c
mm/rmap.c
mm/slab.c
mm/vmpressure.c
net/core/rtnetlink.c
security/keys/internal.h
security/keys/keyctl.c
security/keys/keyring.c
security/keys/request_key.c
security/keys/request_key_auth.c
sound/pci/hda/patch_realtek.c

index 55d3e9b..296c02d 100644 (file)
@@ -1838,7 +1838,7 @@ F:        include/net/ax25.h
 F:     net/ax25/
 
 AZ6007 DVB DRIVER
-M:     Mauro Carvalho Chehab <m.chehab@samsung.com>
+M:     Mauro Carvalho Chehab <mchehab@osg.samsung.com>
 L:     linux-media@vger.kernel.org
 W:     http://linuxtv.org
 T:     git git://linuxtv.org/media_tree.git
@@ -2208,7 +2208,7 @@ F:        Documentation/filesystems/btrfs.txt
 F:     fs/btrfs/
 
 BTTV VIDEO4LINUX DRIVER
-M:     Mauro Carvalho Chehab <m.chehab@samsung.com>
+M:     Mauro Carvalho Chehab <mchehab@osg.samsung.com>
 L:     linux-media@vger.kernel.org
 W:     http://linuxtv.org
 T:     git git://linuxtv.org/media_tree.git
@@ -2729,7 +2729,7 @@ F:        drivers/media/common/cx2341x*
 F:     include/media/cx2341x*
 
 CX88 VIDEO4LINUX DRIVER
-M:     Mauro Carvalho Chehab <m.chehab@samsung.com>
+M:     Mauro Carvalho Chehab <mchehab@osg.samsung.com>
 L:     linux-media@vger.kernel.org
 W:     http://linuxtv.org
 T:     git git://linuxtv.org/media_tree.git
@@ -3419,7 +3419,7 @@ F:        fs/ecryptfs/
 EDAC-CORE
 M:     Doug Thompson <dougthompson@xmission.com>
 M:     Borislav Petkov <bp@alien8.de>
-M:     Mauro Carvalho Chehab <m.chehab@samsung.com>
+M:     Mauro Carvalho Chehab <mchehab@osg.samsung.com>
 L:     linux-edac@vger.kernel.org
 W:     bluesmoke.sourceforge.net
 S:     Supported
@@ -3468,7 +3468,7 @@ S:        Maintained
 F:     drivers/edac/e7xxx_edac.c
 
 EDAC-GHES
-M:     Mauro Carvalho Chehab <m.chehab@samsung.com>
+M:     Mauro Carvalho Chehab <mchehab@osg.samsung.com>
 L:     linux-edac@vger.kernel.org
 W:     bluesmoke.sourceforge.net
 S:     Maintained
@@ -3496,21 +3496,21 @@ S:      Maintained
 F:     drivers/edac/i5000_edac.c
 
 EDAC-I5400
-M:     Mauro Carvalho Chehab <m.chehab@samsung.com>
+M:     Mauro Carvalho Chehab <mchehab@osg.samsung.com>
 L:     linux-edac@vger.kernel.org
 W:     bluesmoke.sourceforge.net
 S:     Maintained
 F:     drivers/edac/i5400_edac.c
 
 EDAC-I7300
-M:     Mauro Carvalho Chehab <m.chehab@samsung.com>
+M:     Mauro Carvalho Chehab <mchehab@osg.samsung.com>
 L:     linux-edac@vger.kernel.org
 W:     bluesmoke.sourceforge.net
 S:     Maintained
 F:     drivers/edac/i7300_edac.c
 
 EDAC-I7CORE
-M:     Mauro Carvalho Chehab <m.chehab@samsung.com>
+M:     Mauro Carvalho Chehab <mchehab@osg.samsung.com>
 L:     linux-edac@vger.kernel.org
 W:     bluesmoke.sourceforge.net
 S:     Maintained
@@ -3553,7 +3553,7 @@ S:        Maintained
 F:     drivers/edac/r82600_edac.c
 
 EDAC-SBRIDGE
-M:     Mauro Carvalho Chehab <m.chehab@samsung.com>
+M:     Mauro Carvalho Chehab <mchehab@osg.samsung.com>
 L:     linux-edac@vger.kernel.org
 W:     bluesmoke.sourceforge.net
 S:     Maintained
@@ -3613,7 +3613,7 @@ S:        Maintained
 F:     drivers/net/ethernet/ibm/ehea/
 
 EM28XX VIDEO4LINUX DRIVER
-M:     Mauro Carvalho Chehab <m.chehab@samsung.com>
+M:     Mauro Carvalho Chehab <mchehab@osg.samsung.com>
 L:     linux-media@vger.kernel.org
 W:     http://linuxtv.org
 T:     git git://linuxtv.org/media_tree.git
@@ -5979,7 +5979,7 @@ S:        Maintained
 F:     drivers/media/radio/radio-maxiradio*
 
 MEDIA INPUT INFRASTRUCTURE (V4L/DVB)
-M:     Mauro Carvalho Chehab <m.chehab@samsung.com>
+M:     Mauro Carvalho Chehab <mchehab@osg.samsung.com>
 P:     LinuxTV.org Project
 L:     linux-media@vger.kernel.org
 W:     http://linuxtv.org
@@ -8030,7 +8030,7 @@ S:        Odd Fixes
 F:     drivers/media/i2c/saa6588*
 
 SAA7134 VIDEO4LINUX DRIVER
-M:     Mauro Carvalho Chehab <m.chehab@samsung.com>
+M:     Mauro Carvalho Chehab <mchehab@osg.samsung.com>
 L:     linux-media@vger.kernel.org
 W:     http://linuxtv.org
 T:     git git://linuxtv.org/media_tree.git
@@ -8488,7 +8488,7 @@ S:        Maintained
 F:     drivers/media/radio/si4713/radio-usb-si4713.c
 
 SIANO DVB DRIVER
-M:     Mauro Carvalho Chehab <m.chehab@samsung.com>
+M:     Mauro Carvalho Chehab <mchehab@osg.samsung.com>
 L:     linux-media@vger.kernel.org
 W:     http://linuxtv.org
 T:     git git://linuxtv.org/media_tree.git
@@ -8699,7 +8699,9 @@ S:        Maintained
 F:     drivers/leds/leds-net48xx.c
 
 SOFTLOGIC 6x10 MPEG CODEC
-M:     Ismael Luceno <ismael.luceno@corp.bluecherry.net>
+M:     Bluecherry Maintainers <maintainers@bluecherrydvr.com>
+M:     Andrey Utkin <andrey.utkin@corp.bluecherry.net>
+M:     Andrey Utkin <andrey.krieger.utkin@gmail.com>
 L:     linux-media@vger.kernel.org
 S:     Supported
 F:     drivers/media/pci/solo6x10/
@@ -9173,7 +9175,7 @@ S:        Maintained
 F:     drivers/media/i2c/tda9840*
 
 TEA5761 TUNER DRIVER
-M:     Mauro Carvalho Chehab <m.chehab@samsung.com>
+M:     Mauro Carvalho Chehab <mchehab@osg.samsung.com>
 L:     linux-media@vger.kernel.org
 W:     http://linuxtv.org
 T:     git git://linuxtv.org/media_tree.git
@@ -9181,7 +9183,7 @@ S:        Odd fixes
 F:     drivers/media/tuners/tea5761.*
 
 TEA5767 TUNER DRIVER
-M:     Mauro Carvalho Chehab <m.chehab@samsung.com>
+M:     Mauro Carvalho Chehab <mchehab@osg.samsung.com>
 L:     linux-media@vger.kernel.org
 W:     http://linuxtv.org
 T:     git git://linuxtv.org/media_tree.git
@@ -9493,7 +9495,7 @@ F:        include/linux/shmem_fs.h
 F:     mm/shmem.c
 
 TM6000 VIDEO4LINUX DRIVER
-M:     Mauro Carvalho Chehab <m.chehab@samsung.com>
+M:     Mauro Carvalho Chehab <mchehab@osg.samsung.com>
 L:     linux-media@vger.kernel.org
 W:     http://linuxtv.org
 T:     git git://linuxtv.org/media_tree.git
@@ -10314,7 +10316,7 @@ S:      Maintained
 F:     arch/x86/kernel/cpu/mcheck/*
 
 XC2028/3028 TUNER DRIVER
-M:     Mauro Carvalho Chehab <m.chehab@samsung.com>
+M:     Mauro Carvalho Chehab <mchehab@osg.samsung.com>
 L:     linux-media@vger.kernel.org
 W:     http://linuxtv.org
 T:     git git://linuxtv.org/media_tree.git
index ce70361..fd80c6e 100644 (file)
--- a/Makefile
+++ b/Makefile
@@ -1,7 +1,7 @@
 VERSION = 3
 PATCHLEVEL = 18
 SUBLEVEL = 0
-EXTRAVERSION = -rc7
+EXTRAVERSION =
 NAME = Diseased Newt
 
 # *DOCUMENTATION*
index dd1c24c..3f51cf4 100644 (file)
@@ -54,12 +54,8 @@ void s390_handle_mcck(void)
         */
        local_irq_save(flags);
        local_mcck_disable();
-       /*
-        * Ummm... Does this make sense at all? Copying the percpu struct
-        * and then zapping it one statement later?
-        */
-       memcpy(&mcck, this_cpu_ptr(&cpu_mcck), sizeof(mcck));
-       memset(&mcck, 0, sizeof(struct mcck_struct));
+       mcck = *this_cpu_ptr(&cpu_mcck);
+       memset(this_cpu_ptr(&cpu_mcck), 0, sizeof(mcck));
        clear_cpu_flag(CIF_MCCK_PENDING);
        local_mcck_enable();
        local_irq_restore(flags);
index be1e07d..45abc36 100644 (file)
@@ -76,7 +76,7 @@ suffix-$(CONFIG_KERNEL_XZ)    := xz
 suffix-$(CONFIG_KERNEL_LZO)    := lzo
 suffix-$(CONFIG_KERNEL_LZ4)    := lz4
 
-RUN_SIZE = $(shell objdump -h vmlinux | \
+RUN_SIZE = $(shell $(OBJDUMP) -h vmlinux | \
             perl $(srctree)/arch/x86/tools/calc_run_size.pl)
 quiet_cmd_mkpiggy = MKPIGGY $@
       cmd_mkpiggy = $(obj)/mkpiggy $< $(RUN_SIZE) > $@ || ( rm -f $@ ; false )
index 2ce9051..08fe6e8 100644 (file)
@@ -465,6 +465,7 @@ static void mc_bp_resume(void)
 
        if (uci->valid && uci->mc)
                microcode_ops->apply_microcode(cpu);
+#ifdef CONFIG_X86_64
        else if (!uci->mc)
                /*
                 * We might resume and not have applied late microcode but still
@@ -473,6 +474,7 @@ static void mc_bp_resume(void)
                 * applying patches early on the APs.
                 */
                load_ucode_ap();
+#endif
 }
 
 static struct syscore_ops mc_syscore_ops = {
index 0984232..5cbd5d9 100644 (file)
@@ -216,9 +216,10 @@ static int bio_integrity_process(struct bio *bio,
 {
        struct blk_integrity *bi = bdev_get_integrity(bio->bi_bdev);
        struct blk_integrity_iter iter;
-       struct bio_vec *bv;
+       struct bvec_iter bviter;
+       struct bio_vec bv;
        struct bio_integrity_payload *bip = bio_integrity(bio);
-       unsigned int i, ret = 0;
+       unsigned int ret = 0;
        void *prot_buf = page_address(bip->bip_vec->bv_page) +
                bip->bip_vec->bv_offset;
 
@@ -227,11 +228,11 @@ static int bio_integrity_process(struct bio *bio,
        iter.seed = bip_get_seed(bip);
        iter.prot_buf = prot_buf;
 
-       bio_for_each_segment_all(bv, bio, i) {
-               void *kaddr = kmap_atomic(bv->bv_page);
+       bio_for_each_segment(bv, bio, bviter) {
+               void *kaddr = kmap_atomic(bv.bv_page);
 
-               iter.data_buf = kaddr + bv->bv_offset;
-               iter.data_size = bv->bv_len;
+               iter.data_buf = kaddr + bv.bv_offset;
+               iter.data_size = bv.bv_len;
 
                ret = proc_fn(&iter);
                if (ret) {
index 807a88a..9d75ead 100644 (file)
@@ -1164,7 +1164,8 @@ static bool acpi_video_device_in_dod(struct acpi_video_device *device)
                return true;
 
        for (i = 0; i < video->attached_count; i++) {
-               if (video->attached_array[i].bind_info == device)
+               if ((video->attached_array[i].value.int_val & 0xfff) ==
+                   (device->device_id & 0xfff))
                        return true;
        }
 
index e45f837..49f1e68 100644 (file)
@@ -321,6 +321,9 @@ static const struct pci_device_id ahci_pci_tbl[] = {
        { PCI_VDEVICE(INTEL, 0x8c87), board_ahci }, /* 9 Series RAID */
        { PCI_VDEVICE(INTEL, 0x8c8e), board_ahci }, /* 9 Series RAID */
        { PCI_VDEVICE(INTEL, 0x8c8f), board_ahci }, /* 9 Series RAID */
+       { PCI_VDEVICE(INTEL, 0x9d03), board_ahci }, /* Sunrise Point-LP AHCI */
+       { PCI_VDEVICE(INTEL, 0x9d05), board_ahci }, /* Sunrise Point-LP RAID */
+       { PCI_VDEVICE(INTEL, 0x9d07), board_ahci }, /* Sunrise Point-LP RAID */
        { PCI_VDEVICE(INTEL, 0xa103), board_ahci }, /* Sunrise Point-H AHCI */
        { PCI_VDEVICE(INTEL, 0xa103), board_ahci }, /* Sunrise Point-H RAID */
        { PCI_VDEVICE(INTEL, 0xa105), board_ahci }, /* Sunrise Point-H RAID */
@@ -492,6 +495,7 @@ static const struct pci_device_id ahci_pci_tbl[] = {
         * enabled.  https://bugzilla.kernel.org/show_bug.cgi?id=60731
         */
        { PCI_VDEVICE(SAMSUNG, 0x1600), board_ahci_nomsi },
+       { PCI_VDEVICE(SAMSUNG, 0xa800), board_ahci_nomsi },
 
        /* Enmotus */
        { PCI_DEVICE(0x1c44, 0x8000), board_ahci },
index 07bc7e4..6507159 100644 (file)
@@ -1488,7 +1488,7 @@ static int sata_fsl_probe(struct platform_device *ofdev)
        host_priv->csr_base = csr_base;
 
        irq = irq_of_parse_and_map(ofdev->dev.of_node, 0);
-       if (irq < 0) {
+       if (!irq) {
                dev_err(&ofdev->dev, "invalid irq from platform\n");
                goto error_exit_with_cleanup;
        }
index 6289bab..63247c6 100644 (file)
@@ -4565,7 +4565,6 @@ static void ironlake_crtc_disable(struct drm_crtc *crtc)
                ironlake_fdi_disable(crtc);
 
                ironlake_disable_pch_transcoder(dev_priv, pipe);
-               intel_set_pch_fifo_underrun_reporting(dev_priv, pipe, true);
 
                if (HAS_PCH_CPT(dev)) {
                        /* disable TRANS_DP_CTL */
@@ -4636,8 +4635,6 @@ static void haswell_crtc_disable(struct drm_crtc *crtc)
 
        if (intel_crtc->config.has_pch_encoder) {
                lpt_disable_pch_transcoder(dev_priv);
-               intel_set_pch_fifo_underrun_reporting(dev_priv, TRANSCODER_A,
-                                                     true);
                intel_ddi_fdi_disable(crtc);
        }
 
index c03d457..14654d6 100644 (file)
@@ -899,6 +899,17 @@ void intel_lvds_init(struct drm_device *dev)
        int pipe;
        u8 pin;
 
+       /*
+        * Unlock registers and just leave them unlocked. Do this before
+        * checking quirk lists to avoid bogus WARNINGs.
+        */
+       if (HAS_PCH_SPLIT(dev)) {
+               I915_WRITE(PCH_PP_CONTROL,
+                          I915_READ(PCH_PP_CONTROL) | PANEL_UNLOCK_REGS);
+       } else {
+               I915_WRITE(PP_CONTROL,
+                          I915_READ(PP_CONTROL) | PANEL_UNLOCK_REGS);
+       }
        if (!intel_lvds_supported(dev))
                return;
 
@@ -1097,17 +1108,6 @@ out:
        lvds_encoder->a3_power = I915_READ(lvds_encoder->reg) &
                                 LVDS_A3_POWER_MASK;
 
-       /*
-        * Unlock registers and just
-        * leave them unlocked
-        */
-       if (HAS_PCH_SPLIT(dev)) {
-               I915_WRITE(PCH_PP_CONTROL,
-                          I915_READ(PCH_PP_CONTROL) | PANEL_UNLOCK_REGS);
-       } else {
-               I915_WRITE(PP_CONTROL,
-                          I915_READ(PP_CONTROL) | PANEL_UNLOCK_REGS);
-       }
        lvds_connector->lid_notifier.notifier_call = intel_lid_notify;
        if (acpi_lid_notifier_register(&lvds_connector->lid_notifier)) {
                DRM_DEBUG_KMS("lid notifier registration failed\n");
index cd05677..72a40f9 100644 (file)
@@ -218,7 +218,6 @@ nvc0_identify(struct nouveau_device *device)
                device->oclass[NVDEV_ENGINE_BSP    ] = &nvc0_bsp_oclass;
                device->oclass[NVDEV_ENGINE_PPP    ] = &nvc0_ppp_oclass;
                device->oclass[NVDEV_ENGINE_COPY0  ] = &nvc0_copy0_oclass;
-               device->oclass[NVDEV_ENGINE_COPY1  ] = &nvc0_copy1_oclass;
                device->oclass[NVDEV_ENGINE_DISP   ] =  nva3_disp_oclass;
                device->oclass[NVDEV_ENGINE_PERFMON] = &nvc0_perfmon_oclass;
                break;
index 5ae6a43..1931057 100644 (file)
@@ -551,8 +551,8 @@ nv04_fifo_intr(struct nouveau_subdev *subdev)
                        }
 
                        if (status & 0x40000000) {
-                               nouveau_fifo_uevent(&priv->base);
                                nv_wr32(priv, 0x002100, 0x40000000);
+                               nouveau_fifo_uevent(&priv->base);
                                status &= ~0x40000000;
                        }
                }
index 1fe1f8f..074d434 100644 (file)
@@ -740,6 +740,8 @@ nvc0_fifo_intr_engine_unit(struct nvc0_fifo_priv *priv, int engn)
        u32 inte = nv_rd32(priv, 0x002628);
        u32 unkn;
 
+       nv_wr32(priv, 0x0025a8 + (engn * 0x04), intr);
+
        for (unkn = 0; unkn < 8; unkn++) {
                u32 ints = (intr >> (unkn * 0x04)) & inte;
                if (ints & 0x1) {
@@ -751,8 +753,6 @@ nvc0_fifo_intr_engine_unit(struct nvc0_fifo_priv *priv, int engn)
                        nv_mask(priv, 0x002628, ints, 0);
                }
        }
-
-       nv_wr32(priv, 0x0025a8 + (engn * 0x04), intr);
 }
 
 static void
index fc9ef66..6a8db7c 100644 (file)
@@ -982,8 +982,8 @@ nve0_fifo_intr(struct nouveau_subdev *subdev)
        }
 
        if (stat & 0x80000000) {
-               nve0_fifo_intr_engine(priv);
                nv_wr32(priv, 0x002100, 0x80000000);
+               nve0_fifo_intr_engine(priv);
                stat &= ~0x80000000;
        }
 
index afb93bb..65910e3 100644 (file)
@@ -664,7 +664,6 @@ nouveau_pmops_suspend(struct device *dev)
 
        pci_save_state(pdev);
        pci_disable_device(pdev);
-       pci_ignore_hotplug(pdev);
        pci_set_power_state(pdev, PCI_D3hot);
        return 0;
 }
@@ -732,6 +731,7 @@ nouveau_pmops_runtime_suspend(struct device *dev)
        ret = nouveau_do_suspend(drm_dev, true);
        pci_save_state(pdev);
        pci_disable_device(pdev);
+       pci_ignore_hotplug(pdev);
        pci_set_power_state(pdev, PCI_D3cold);
        drm_dev->switch_power_state = DRM_SWITCH_POWER_DYNAMIC_OFF;
        return ret;
index 515cd9a..f32a434 100644 (file)
@@ -52,20 +52,24 @@ nouveau_fctx(struct nouveau_fence *fence)
        return container_of(fence->base.lock, struct nouveau_fence_chan, lock);
 }
 
-static void
+static int
 nouveau_fence_signal(struct nouveau_fence *fence)
 {
+       int drop = 0;
+
        fence_signal_locked(&fence->base);
        list_del(&fence->head);
+       rcu_assign_pointer(fence->channel, NULL);
 
        if (test_bit(FENCE_FLAG_USER_BITS, &fence->base.flags)) {
                struct nouveau_fence_chan *fctx = nouveau_fctx(fence);
 
                if (!--fctx->notify_ref)
-                       nvif_notify_put(&fctx->notify);
+                       drop = 1;
        }
 
        fence_put(&fence->base);
+       return drop;
 }
 
 static struct nouveau_fence *
@@ -88,16 +92,23 @@ nouveau_fence_context_del(struct nouveau_fence_chan *fctx)
 {
        struct nouveau_fence *fence;
 
-       nvif_notify_fini(&fctx->notify);
-
        spin_lock_irq(&fctx->lock);
        while (!list_empty(&fctx->pending)) {
                fence = list_entry(fctx->pending.next, typeof(*fence), head);
 
-               nouveau_fence_signal(fence);
-               fence->channel = NULL;
+               if (nouveau_fence_signal(fence))
+                       nvif_notify_put(&fctx->notify);
        }
        spin_unlock_irq(&fctx->lock);
+
+       nvif_notify_fini(&fctx->notify);
+       fctx->dead = 1;
+
+       /*
+        * Ensure that all accesses to fence->channel complete before freeing
+        * the channel.
+        */
+       synchronize_rcu();
 }
 
 static void
@@ -112,21 +123,23 @@ nouveau_fence_context_free(struct nouveau_fence_chan *fctx)
        kref_put(&fctx->fence_ref, nouveau_fence_context_put);
 }
 
-static void
+static int
 nouveau_fence_update(struct nouveau_channel *chan, struct nouveau_fence_chan *fctx)
 {
        struct nouveau_fence *fence;
-
+       int drop = 0;
        u32 seq = fctx->read(chan);
 
        while (!list_empty(&fctx->pending)) {
                fence = list_entry(fctx->pending.next, typeof(*fence), head);
 
                if ((int)(seq - fence->base.seqno) < 0)
-                       return;
+                       break;
 
-               nouveau_fence_signal(fence);
+               drop |= nouveau_fence_signal(fence);
        }
+
+       return drop;
 }
 
 static int
@@ -135,18 +148,21 @@ nouveau_fence_wait_uevent_handler(struct nvif_notify *notify)
        struct nouveau_fence_chan *fctx =
                container_of(notify, typeof(*fctx), notify);
        unsigned long flags;
+       int ret = NVIF_NOTIFY_KEEP;
 
        spin_lock_irqsave(&fctx->lock, flags);
        if (!list_empty(&fctx->pending)) {
                struct nouveau_fence *fence;
+               struct nouveau_channel *chan;
 
                fence = list_entry(fctx->pending.next, typeof(*fence), head);
-               nouveau_fence_update(fence->channel, fctx);
+               chan = rcu_dereference_protected(fence->channel, lockdep_is_held(&fctx->lock));
+               if (nouveau_fence_update(fence->channel, fctx))
+                       ret = NVIF_NOTIFY_DROP;
        }
        spin_unlock_irqrestore(&fctx->lock, flags);
 
-       /* Always return keep here. NVIF refcount is handled with nouveau_fence_update */
-       return NVIF_NOTIFY_KEEP;
+       return ret;
 }
 
 void
@@ -262,7 +278,10 @@ nouveau_fence_emit(struct nouveau_fence *fence, struct nouveau_channel *chan)
        if (!ret) {
                fence_get(&fence->base);
                spin_lock_irq(&fctx->lock);
-               nouveau_fence_update(chan, fctx);
+
+               if (nouveau_fence_update(chan, fctx))
+                       nvif_notify_put(&fctx->notify);
+
                list_add_tail(&fence->head, &fctx->pending);
                spin_unlock_irq(&fctx->lock);
        }
@@ -276,13 +295,16 @@ nouveau_fence_done(struct nouveau_fence *fence)
        if (fence->base.ops == &nouveau_fence_ops_legacy ||
            fence->base.ops == &nouveau_fence_ops_uevent) {
                struct nouveau_fence_chan *fctx = nouveau_fctx(fence);
+               struct nouveau_channel *chan;
                unsigned long flags;
 
                if (test_bit(FENCE_FLAG_SIGNALED_BIT, &fence->base.flags))
                        return true;
 
                spin_lock_irqsave(&fctx->lock, flags);
-               nouveau_fence_update(fence->channel, fctx);
+               chan = rcu_dereference_protected(fence->channel, lockdep_is_held(&fctx->lock));
+               if (chan && nouveau_fence_update(chan, fctx))
+                       nvif_notify_put(&fctx->notify);
                spin_unlock_irqrestore(&fctx->lock, flags);
        }
        return fence_is_signaled(&fence->base);
@@ -387,12 +409,18 @@ nouveau_fence_sync(struct nouveau_bo *nvbo, struct nouveau_channel *chan, bool e
 
        if (fence && (!exclusive || !fobj || !fobj->shared_count)) {
                struct nouveau_channel *prev = NULL;
+               bool must_wait = true;
 
                f = nouveau_local_fence(fence, chan->drm);
-               if (f)
-                       prev = f->channel;
+               if (f) {
+                       rcu_read_lock();
+                       prev = rcu_dereference(f->channel);
+                       if (prev && (prev == chan || fctx->sync(f, prev, chan) == 0))
+                               must_wait = false;
+                       rcu_read_unlock();
+               }
 
-               if (!prev || (prev != chan && (ret = fctx->sync(f, prev, chan))))
+               if (must_wait)
                        ret = fence_wait(fence, intr);
 
                return ret;
@@ -403,19 +431,22 @@ nouveau_fence_sync(struct nouveau_bo *nvbo, struct nouveau_channel *chan, bool e
 
        for (i = 0; i < fobj->shared_count && !ret; ++i) {
                struct nouveau_channel *prev = NULL;
+               bool must_wait = true;
 
                fence = rcu_dereference_protected(fobj->shared[i],
                                                reservation_object_held(resv));
 
                f = nouveau_local_fence(fence, chan->drm);
-               if (f)
-                       prev = f->channel;
+               if (f) {
+                       rcu_read_lock();
+                       prev = rcu_dereference(f->channel);
+                       if (prev && (prev == chan || fctx->sync(f, prev, chan) == 0))
+                               must_wait = false;
+                       rcu_read_unlock();
+               }
 
-               if (!prev || (prev != chan && (ret = fctx->sync(f, prev, chan))))
+               if (must_wait)
                        ret = fence_wait(fence, intr);
-
-               if (ret)
-                       break;
        }
 
        return ret;
@@ -463,7 +494,7 @@ static const char *nouveau_fence_get_timeline_name(struct fence *f)
        struct nouveau_fence *fence = from_fence(f);
        struct nouveau_fence_chan *fctx = nouveau_fctx(fence);
 
-       return fence->channel ? fctx->name : "dead channel";
+       return !fctx->dead ? fctx->name : "dead channel";
 }
 
 /*
@@ -476,9 +507,16 @@ static bool nouveau_fence_is_signaled(struct fence *f)
 {
        struct nouveau_fence *fence = from_fence(f);
        struct nouveau_fence_chan *fctx = nouveau_fctx(fence);
-       struct nouveau_channel *chan = fence->channel;
+       struct nouveau_channel *chan;
+       bool ret = false;
+
+       rcu_read_lock();
+       chan = rcu_dereference(fence->channel);
+       if (chan)
+               ret = (int)(fctx->read(chan) - fence->base.seqno) >= 0;
+       rcu_read_unlock();
 
-       return (int)(fctx->read(chan) - fence->base.seqno) >= 0;
+       return ret;
 }
 
 static bool nouveau_fence_no_signaling(struct fence *f)
index 943b0b1..96e461c 100644 (file)
@@ -14,7 +14,7 @@ struct nouveau_fence {
 
        bool sysmem;
 
-       struct nouveau_channel *channel;
+       struct nouveau_channel __rcu *channel;
        unsigned long timeout;
 };
 
@@ -47,7 +47,7 @@ struct nouveau_fence_chan {
        char name[32];
 
        struct nvif_notify notify;
-       int notify_ref;
+       int notify_ref, dead;
 };
 
 struct nouveau_fence_priv {
index 9648e28..c830863 100644 (file)
@@ -241,7 +241,6 @@ static int radeon_cs_sync_rings(struct radeon_cs_parser *p)
                resv = reloc->robj->tbo.resv;
                r = radeon_sync_resv(p->rdev, &p->ib.sync, resv,
                                     reloc->tv.shared);
-
                if (r)
                        return r;
        }
index f4dd26a..3cf9c1f 100644 (file)
@@ -800,6 +800,8 @@ int radeon_get_vblank_timestamp_kms(struct drm_device *dev, int crtc,
 
        /* Get associated drm_crtc: */
        drmcrtc = &rdev->mode_info.crtcs[crtc]->base;
+       if (!drmcrtc)
+               return -EINVAL;
 
        /* Helper routine in DRM core does all the work: */
        return drm_calc_vbltimestamp_from_scanoutpos(dev, crtc, max_error,
index 0a8ef9e..7d68223 100644 (file)
@@ -233,6 +233,13 @@ int radeon_bo_create(struct radeon_device *rdev,
        if (!(rdev->flags & RADEON_IS_PCIE))
                bo->flags &= ~(RADEON_GEM_GTT_WC | RADEON_GEM_GTT_UC);
 
+#ifdef CONFIG_X86_32
+       /* XXX: Write-combined CPU mappings of GTT seem broken on 32-bit
+        * See https://bugs.freedesktop.org/show_bug.cgi?id=84627
+        */
+       bo->flags &= ~RADEON_GEM_GTT_WC;
+#endif
+
        radeon_ttm_placement_from_domain(bo, domain);
        /* Kernel allocation are uninterruptible */
        down_read(&rdev->pm.mclk_lock);
index 63f3f03..c604f4c 100644 (file)
 #define CDNS_I2C_DIVA_MAX      4
 #define CDNS_I2C_DIVB_MAX      64
 
+#define CDNS_I2C_TIMEOUT_MAX   0xFF
+
 #define cdns_i2c_readreg(offset)       readl_relaxed(id->membase + offset)
 #define cdns_i2c_writereg(val, offset) writel_relaxed(val, id->membase + offset)
 
@@ -852,6 +854,15 @@ static int cdns_i2c_probe(struct platform_device *pdev)
                goto err_clk_dis;
        }
 
+       /*
+        * Cadence I2C controller has a bug wherein it generates
+        * invalid read transaction after HW timeout in master receiver mode.
+        * HW timeout is not used by this driver and the interrupt is disabled.
+        * But the feature itself cannot be disabled. Hence maximum value
+        * is written to this register to reduce the chances of error.
+        */
+       cdns_i2c_writereg(CDNS_I2C_TIMEOUT_MAX, CDNS_I2C_TIME_OUT_OFFSET);
+
        dev_info(&pdev->dev, "%u kHz mmio %08lx irq %d\n",
                 id->i2c_clk / 1000, (unsigned long)r_mem->start, id->irq);
 
index d15b7c9..01f0cd8 100644 (file)
@@ -407,11 +407,9 @@ i2c_davinci_xfer_msg(struct i2c_adapter *adap, struct i2c_msg *msg, int stop)
        if (dev->cmd_err & DAVINCI_I2C_STR_NACK) {
                if (msg->flags & I2C_M_IGNORE_NAK)
                        return msg->len;
-               if (stop) {
-                       w = davinci_i2c_read_reg(dev, DAVINCI_I2C_MDR_REG);
-                       w |= DAVINCI_I2C_MDR_STP;
-                       davinci_i2c_write_reg(dev, DAVINCI_I2C_MDR_REG, w);
-               }
+               w = davinci_i2c_read_reg(dev, DAVINCI_I2C_MDR_REG);
+               w |= DAVINCI_I2C_MDR_STP;
+               davinci_i2c_write_reg(dev, DAVINCI_I2C_MDR_REG, w);
                return -EREMOTEIO;
        }
        return -EIO;
index edca99d..23628b7 100644 (file)
@@ -359,7 +359,7 @@ int i2c_dw_init(struct dw_i2c_dev *dev)
        }
 
        /* Configure Tx/Rx FIFO threshold levels */
-       dw_writel(dev, dev->tx_fifo_depth - 1, DW_IC_TX_TL);
+       dw_writel(dev, dev->tx_fifo_depth / 2, DW_IC_TX_TL);
        dw_writel(dev, 0, DW_IC_RX_TL);
 
        /* configure the i2c master */
index 26942c1..277a228 100644 (file)
@@ -922,14 +922,12 @@ omap_i2c_isr_thread(int this_irq, void *dev_id)
                if (stat & OMAP_I2C_STAT_NACK) {
                        err |= OMAP_I2C_STAT_NACK;
                        omap_i2c_ack_stat(dev, OMAP_I2C_STAT_NACK);
-                       break;
                }
 
                if (stat & OMAP_I2C_STAT_AL) {
                        dev_err(dev->dev, "Arbitration lost\n");
                        err |= OMAP_I2C_STAT_AL;
                        omap_i2c_ack_stat(dev, OMAP_I2C_STAT_AL);
-                       break;
                }
 
                /*
@@ -954,11 +952,13 @@ omap_i2c_isr_thread(int this_irq, void *dev_id)
                        if (dev->fifo_size)
                                num_bytes = dev->buf_len;
 
-                       omap_i2c_receive_data(dev, num_bytes, true);
-
-                       if (dev->errata & I2C_OMAP_ERRATA_I207)
+                       if (dev->errata & I2C_OMAP_ERRATA_I207) {
                                i2c_omap_errata_i207(dev, stat);
+                               num_bytes = (omap_i2c_read_reg(dev,
+                                       OMAP_I2C_BUFSTAT_REG) >> 8) & 0x3F;
+                       }
 
+                       omap_i2c_receive_data(dev, num_bytes, true);
                        omap_i2c_ack_stat(dev, OMAP_I2C_STAT_RDR);
                        continue;
                }
index bc20348..8afa28e 100644 (file)
@@ -421,7 +421,7 @@ static int evdev_open(struct inode *inode, struct file *file)
 
  err_free_client:
        evdev_detach_client(evdev, client);
-       kfree(client);
+       kvfree(client);
        return error;
 }
 
index 932ed9b..b10aaed 100644 (file)
@@ -2190,7 +2190,7 @@ static int smiapp_set_selection(struct v4l2_subdev *subdev,
                ret = smiapp_set_compose(subdev, fh, sel);
                break;
        default:
-               BUG();
+               ret = -EINVAL;
        }
 
        mutex_unlock(&sensor->mutex);
index 331edda..3bd386c 100644 (file)
@@ -1078,7 +1078,7 @@ static __le32 *cx23885_risc_field(__le32 *rp, struct scatterlist *sglist,
        for (line = 0; line < lines; line++) {
                while (offset && offset >= sg_dma_len(sg)) {
                        offset -= sg_dma_len(sg);
-                       sg++;
+                       sg = sg_next(sg);
                }
 
                if (lpi && line > 0 && !(line % lpi))
@@ -1101,14 +1101,14 @@ static __le32 *cx23885_risc_field(__le32 *rp, struct scatterlist *sglist,
                        *(rp++) = cpu_to_le32(0); /* bits 63-32 */
                        todo -= (sg_dma_len(sg)-offset);
                        offset = 0;
-                       sg++;
+                       sg = sg_next(sg);
                        while (todo > sg_dma_len(sg)) {
                                *(rp++) = cpu_to_le32(RISC_WRITE|
                                                    sg_dma_len(sg));
                                *(rp++) = cpu_to_le32(sg_dma_address(sg));
                                *(rp++) = cpu_to_le32(0); /* bits 63-32 */
                                todo -= sg_dma_len(sg);
-                               sg++;
+                               sg = sg_next(sg);
                        }
                        *(rp++) = cpu_to_le32(RISC_WRITE|RISC_EOL|todo);
                        *(rp++) = cpu_to_le32(sg_dma_address(sg));
index 172583d..8cbe6b4 100644 (file)
@@ -105,11 +105,8 @@ static irqreturn_t solo_isr(int irq, void *data)
        if (!status)
                return IRQ_NONE;
 
-       if (status & ~solo_dev->irq_mask) {
-               solo_reg_write(solo_dev, SOLO_IRQ_STAT,
-                              status & ~solo_dev->irq_mask);
-               status &= solo_dev->irq_mask;
-       }
+       /* Acknowledge all interrupts immediately */
+       solo_reg_write(solo_dev, SOLO_IRQ_STAT, status);
 
        if (status & SOLO_IRQ_PCI_ERR)
                solo_p2m_error_isr(solo_dev);
@@ -132,9 +129,6 @@ static irqreturn_t solo_isr(int irq, void *data)
        if (status & SOLO_IRQ_G723)
                solo_g723_isr(solo_dev);
 
-       /* Clear all interrupts handled */
-       solo_reg_write(solo_dev, SOLO_IRQ_STAT, status);
-
        return IRQ_HANDLED;
 }
 
index f1f098e..d16bc67 100644 (file)
@@ -259,8 +259,8 @@ again:
                        case 32:
                                if ((scancode & RC6_6A_LCC_MASK) == RC6_6A_MCE_CC) {
                                        protocol = RC_TYPE_RC6_MCE;
-                                       scancode &= ~RC6_6A_MCE_TOGGLE_MASK;
                                        toggle = !!(scancode & RC6_6A_MCE_TOGGLE_MASK);
+                                       scancode &= ~RC6_6A_MCE_TOGGLE_MASK;
                                } else {
                                        protocol = RC_BIT_RC6_6A_32;
                                        toggle = 0;
index ccc0009..1c0dbf4 100644 (file)
@@ -632,7 +632,7 @@ static void s2255_fillbuff(struct s2255_vc *vc,
                        break;
                case V4L2_PIX_FMT_JPEG:
                case V4L2_PIX_FMT_MJPEG:
-                       buf->vb.v4l2_buf.length = jpgsize;
+                       vb2_set_plane_payload(&buf->vb, 0, jpgsize);
                        memcpy(vbuf, tmpbuf, jpgsize);
                        break;
                case V4L2_PIX_FMT_YUV422P:
index c13d83e..45f09a6 100644 (file)
@@ -225,7 +225,12 @@ static int bond_changelink(struct net_device *bond_dev,
 
                bond_option_arp_ip_targets_clear(bond);
                nla_for_each_nested(attr, data[IFLA_BOND_ARP_IP_TARGET], rem) {
-                       __be32 target = nla_get_be32(attr);
+                       __be32 target;
+
+                       if (nla_len(attr) < sizeof(target))
+                               return -EINVAL;
+
+                       target = nla_get_be32(attr);
 
                        bond_opt_initval(&newval, (__force u64)target);
                        err = __bond_opt_set(bond, BOND_OPT_ARP_TARGETS,
index 8520d55..279873c 100644 (file)
@@ -2442,9 +2442,13 @@ static unsigned int from_fw_linkcaps(unsigned int type, unsigned int caps)
                     SUPPORTED_10000baseKR_Full | SUPPORTED_1000baseKX_Full |
                     SUPPORTED_10000baseKX4_Full;
        else if (type == FW_PORT_TYPE_FIBER_XFI ||
-                type == FW_PORT_TYPE_FIBER_XAUI || type == FW_PORT_TYPE_SFP)
+                type == FW_PORT_TYPE_FIBER_XAUI || type == FW_PORT_TYPE_SFP) {
                v |= SUPPORTED_FIBRE;
-       else if (type == FW_PORT_TYPE_BP40_BA)
+               if (caps & FW_PORT_CAP_SPEED_1G)
+                       v |= SUPPORTED_1000baseT_Full;
+               if (caps & FW_PORT_CAP_SPEED_10G)
+                       v |= SUPPORTED_10000baseT_Full;
+       } else if (type == FW_PORT_TYPE_BP40_BA)
                v |= SUPPORTED_40000baseSR4_Full;
 
        if (caps & FW_PORT_CAP_ANEG)
index 60e9c2c..b5db6b3 100644 (file)
@@ -917,21 +917,13 @@ static int sh_eth_reset(struct net_device *ndev)
        return ret;
 }
 
-#if defined(CONFIG_CPU_SH4) || defined(CONFIG_ARCH_SHMOBILE)
 static void sh_eth_set_receive_align(struct sk_buff *skb)
 {
-       int reserve;
+       uintptr_t reserve = (uintptr_t)skb->data & (SH_ETH_RX_ALIGN - 1);
 
-       reserve = SH4_SKB_RX_ALIGN - ((u32)skb->data & (SH4_SKB_RX_ALIGN - 1));
        if (reserve)
-               skb_reserve(skb, reserve);
+               skb_reserve(skb, SH_ETH_RX_ALIGN - reserve);
 }
-#else
-static void sh_eth_set_receive_align(struct sk_buff *skb)
-{
-       skb_reserve(skb, SH2_SH3_SKB_RX_ALIGN);
-}
-#endif
 
 
 /* CPU <-> EDMAC endian convert */
@@ -1119,6 +1111,7 @@ static void sh_eth_ring_format(struct net_device *ndev)
        struct sh_eth_txdesc *txdesc = NULL;
        int rx_ringsize = sizeof(*rxdesc) * mdp->num_rx_ring;
        int tx_ringsize = sizeof(*txdesc) * mdp->num_tx_ring;
+       int skbuff_size = mdp->rx_buf_sz + SH_ETH_RX_ALIGN - 1;
 
        mdp->cur_rx = 0;
        mdp->cur_tx = 0;
@@ -1131,21 +1124,21 @@ static void sh_eth_ring_format(struct net_device *ndev)
        for (i = 0; i < mdp->num_rx_ring; i++) {
                /* skb */
                mdp->rx_skbuff[i] = NULL;
-               skb = netdev_alloc_skb(ndev, mdp->rx_buf_sz);
+               skb = netdev_alloc_skb(ndev, skbuff_size);
                mdp->rx_skbuff[i] = skb;
                if (skb == NULL)
                        break;
-               dma_map_single(&ndev->dev, skb->data, mdp->rx_buf_sz,
-                              DMA_FROM_DEVICE);
                sh_eth_set_receive_align(skb);
 
                /* RX descriptor */
                rxdesc = &mdp->rx_ring[i];
+               /* The size of the buffer is a multiple of 16 bytes. */
+               rxdesc->buffer_length = ALIGN(mdp->rx_buf_sz, 16);
+               dma_map_single(&ndev->dev, skb->data, rxdesc->buffer_length,
+                              DMA_FROM_DEVICE);
                rxdesc->addr = virt_to_phys(PTR_ALIGN(skb->data, 4));
                rxdesc->status = cpu_to_edmac(mdp, RD_RACT | RD_RFP);
 
-               /* The size of the buffer is 16 byte boundary. */
-               rxdesc->buffer_length = ALIGN(mdp->rx_buf_sz, 16);
                /* Rx descriptor address set */
                if (i == 0) {
                        sh_eth_write(ndev, mdp->rx_desc_dma, RDLAR);
@@ -1397,6 +1390,7 @@ static int sh_eth_rx(struct net_device *ndev, u32 intr_status, int *quota)
        struct sk_buff *skb;
        u16 pkt_len = 0;
        u32 desc_status;
+       int skbuff_size = mdp->rx_buf_sz + SH_ETH_RX_ALIGN - 1;
 
        rxdesc = &mdp->rx_ring[entry];
        while (!(rxdesc->status & cpu_to_edmac(mdp, RD_RACT))) {
@@ -1448,7 +1442,7 @@ static int sh_eth_rx(struct net_device *ndev, u32 intr_status, int *quota)
                        if (mdp->cd->rpadir)
                                skb_reserve(skb, NET_IP_ALIGN);
                        dma_sync_single_for_cpu(&ndev->dev, rxdesc->addr,
-                                               mdp->rx_buf_sz,
+                                               ALIGN(mdp->rx_buf_sz, 16),
                                                DMA_FROM_DEVICE);
                        skb_put(skb, pkt_len);
                        skb->protocol = eth_type_trans(skb, ndev);
@@ -1468,13 +1462,13 @@ static int sh_eth_rx(struct net_device *ndev, u32 intr_status, int *quota)
                rxdesc->buffer_length = ALIGN(mdp->rx_buf_sz, 16);
 
                if (mdp->rx_skbuff[entry] == NULL) {
-                       skb = netdev_alloc_skb(ndev, mdp->rx_buf_sz);
+                       skb = netdev_alloc_skb(ndev, skbuff_size);
                        mdp->rx_skbuff[entry] = skb;
                        if (skb == NULL)
                                break;  /* Better luck next round. */
-                       dma_map_single(&ndev->dev, skb->data, mdp->rx_buf_sz,
-                                      DMA_FROM_DEVICE);
                        sh_eth_set_receive_align(skb);
+                       dma_map_single(&ndev->dev, skb->data,
+                                      rxdesc->buffer_length, DMA_FROM_DEVICE);
 
                        skb_checksum_none_assert(skb);
                        rxdesc->addr = virt_to_phys(PTR_ALIGN(skb->data, 4));
@@ -2042,6 +2036,8 @@ static int sh_eth_open(struct net_device *ndev)
        if (ret)
                goto out_free_irq;
 
+       mdp->is_opened = 1;
+
        return ret;
 
 out_free_irq:
@@ -2131,6 +2127,36 @@ static int sh_eth_start_xmit(struct sk_buff *skb, struct net_device *ndev)
        return NETDEV_TX_OK;
 }
 
+static struct net_device_stats *sh_eth_get_stats(struct net_device *ndev)
+{
+       struct sh_eth_private *mdp = netdev_priv(ndev);
+
+       if (sh_eth_is_rz_fast_ether(mdp))
+               return &ndev->stats;
+
+       if (!mdp->is_opened)
+               return &ndev->stats;
+
+       ndev->stats.tx_dropped += sh_eth_read(ndev, TROCR);
+       sh_eth_write(ndev, 0, TROCR);   /* (write clear) */
+       ndev->stats.collisions += sh_eth_read(ndev, CDCR);
+       sh_eth_write(ndev, 0, CDCR);    /* (write clear) */
+       ndev->stats.tx_carrier_errors += sh_eth_read(ndev, LCCR);
+       sh_eth_write(ndev, 0, LCCR);    /* (write clear) */
+
+       if (sh_eth_is_gether(mdp)) {
+               ndev->stats.tx_carrier_errors += sh_eth_read(ndev, CERCR);
+               sh_eth_write(ndev, 0, CERCR);   /* (write clear) */
+               ndev->stats.tx_carrier_errors += sh_eth_read(ndev, CEECR);
+               sh_eth_write(ndev, 0, CEECR);   /* (write clear) */
+       } else {
+               ndev->stats.tx_carrier_errors += sh_eth_read(ndev, CNDCR);
+               sh_eth_write(ndev, 0, CNDCR);   /* (write clear) */
+       }
+
+       return &ndev->stats;
+}
+
 /* device close function */
 static int sh_eth_close(struct net_device *ndev)
 {
@@ -2145,6 +2171,7 @@ static int sh_eth_close(struct net_device *ndev)
        sh_eth_write(ndev, 0, EDTRR);
        sh_eth_write(ndev, 0, EDRRR);
 
+       sh_eth_get_stats(ndev);
        /* PHY Disconnect */
        if (mdp->phydev) {
                phy_stop(mdp->phydev);
@@ -2163,36 +2190,9 @@ static int sh_eth_close(struct net_device *ndev)
 
        pm_runtime_put_sync(&mdp->pdev->dev);
 
-       return 0;
-}
-
-static struct net_device_stats *sh_eth_get_stats(struct net_device *ndev)
-{
-       struct sh_eth_private *mdp = netdev_priv(ndev);
-
-       if (sh_eth_is_rz_fast_ether(mdp))
-               return &ndev->stats;
+       mdp->is_opened = 0;
 
-       pm_runtime_get_sync(&mdp->pdev->dev);
-
-       ndev->stats.tx_dropped += sh_eth_read(ndev, TROCR);
-       sh_eth_write(ndev, 0, TROCR);   /* (write clear) */
-       ndev->stats.collisions += sh_eth_read(ndev, CDCR);
-       sh_eth_write(ndev, 0, CDCR);    /* (write clear) */
-       ndev->stats.tx_carrier_errors += sh_eth_read(ndev, LCCR);
-       sh_eth_write(ndev, 0, LCCR);    /* (write clear) */
-       if (sh_eth_is_gether(mdp)) {
-               ndev->stats.tx_carrier_errors += sh_eth_read(ndev, CERCR);
-               sh_eth_write(ndev, 0, CERCR);   /* (write clear) */
-               ndev->stats.tx_carrier_errors += sh_eth_read(ndev, CEECR);
-               sh_eth_write(ndev, 0, CEECR);   /* (write clear) */
-       } else {
-               ndev->stats.tx_carrier_errors += sh_eth_read(ndev, CNDCR);
-               sh_eth_write(ndev, 0, CNDCR);   /* (write clear) */
-       }
-       pm_runtime_put_sync(&mdp->pdev->dev);
-
-       return &ndev->stats;
+       return 0;
 }
 
 /* ioctl to device function */
index b37c427..22301bf 100644 (file)
@@ -162,9 +162,9 @@ enum {
 
 /* Driver's parameters */
 #if defined(CONFIG_CPU_SH4) || defined(CONFIG_ARCH_SHMOBILE)
-#define SH4_SKB_RX_ALIGN       32
+#define SH_ETH_RX_ALIGN                32
 #else
-#define SH2_SH3_SKB_RX_ALIGN   2
+#define SH_ETH_RX_ALIGN                2
 #endif
 
 /* Register's bits
@@ -522,6 +522,7 @@ struct sh_eth_private {
 
        unsigned no_ether_link:1;
        unsigned ether_link_active_low:1;
+       unsigned is_opened:1;
 };
 
 static inline void sh_eth_soft_swap(char *src, int len)
index 5b0da39..58a1a0a 100644 (file)
@@ -265,6 +265,15 @@ static int stmmac_pltfr_probe(struct platform_device *pdev)
 
        plat_dat = dev_get_platdata(&pdev->dev);
 
+       if (!plat_dat)
+               plat_dat = devm_kzalloc(&pdev->dev,
+                                       sizeof(struct plat_stmmacenet_data),
+                                       GFP_KERNEL);
+       if (!plat_dat) {
+               pr_err("%s: ERROR: no memory", __func__);
+               return  -ENOMEM;
+       }
+
        /* Set default value for multicast hash bins */
        plat_dat->multicast_filter_bins = HASH_TABLE_SIZE;
 
@@ -272,15 +281,6 @@ static int stmmac_pltfr_probe(struct platform_device *pdev)
        plat_dat->unicast_filter_entries = 1;
 
        if (pdev->dev.of_node) {
-               if (!plat_dat)
-                       plat_dat = devm_kzalloc(&pdev->dev,
-                                       sizeof(struct plat_stmmacenet_data),
-                                       GFP_KERNEL);
-               if (!plat_dat) {
-                       pr_err("%s: ERROR: no memory", __func__);
-                       return  -ENOMEM;
-               }
-
                ret = stmmac_probe_config_dt(pdev, plat_dat, &mac);
                if (ret) {
                        pr_err("%s: main dt probe failed", __func__);
index cca8713..ece8d18 100644 (file)
@@ -496,9 +496,6 @@ static void xennet_make_frags(struct sk_buff *skb, struct netfront_queue *queue,
                len = skb_frag_size(frag);
                offset = frag->page_offset;
 
-               /* Data must not cross a page boundary. */
-               BUG_ON(len + offset > PAGE_SIZE<<compound_order(page));
-
                /* Skip unused frames from start of page */
                page += offset >> PAGE_SHIFT;
                offset &= ~PAGE_MASK;
@@ -506,8 +503,6 @@ static void xennet_make_frags(struct sk_buff *skb, struct netfront_queue *queue,
                while (len > 0) {
                        unsigned long bytes;
 
-                       BUG_ON(offset >= PAGE_SIZE);
-
                        bytes = PAGE_SIZE - offset;
                        if (bytes > len)
                                bytes = len;
index 30e97bc..d134710 100644 (file)
@@ -964,8 +964,6 @@ void __init __weak early_init_dt_add_memory_arch(u64 base, u64 size)
 int __init __weak early_init_dt_reserve_memory_arch(phys_addr_t base,
                                        phys_addr_t size, bool nomap)
 {
-       if (memblock_is_region_reserved(base, size))
-               return -EBUSY;
        if (nomap)
                return memblock_remove(base, size);
        return memblock_reserve(base, size);
index 3d43874..19bb19c 100644 (file)
@@ -276,6 +276,7 @@ struct tegra_pcie {
 
        struct resource all;
        struct resource io;
+       struct resource pio;
        struct resource mem;
        struct resource prefetch;
        struct resource busn;
@@ -658,7 +659,6 @@ static int tegra_pcie_setup(int nr, struct pci_sys_data *sys)
 {
        struct tegra_pcie *pcie = sys_to_pcie(sys);
        int err;
-       phys_addr_t io_start;
 
        err = devm_request_resource(pcie->dev, &pcie->all, &pcie->mem);
        if (err < 0)
@@ -668,14 +668,12 @@ static int tegra_pcie_setup(int nr, struct pci_sys_data *sys)
        if (err)
                return err;
 
-       io_start = pci_pio_to_address(pcie->io.start);
-
        pci_add_resource_offset(&sys->resources, &pcie->mem, sys->mem_offset);
        pci_add_resource_offset(&sys->resources, &pcie->prefetch,
                                sys->mem_offset);
        pci_add_resource(&sys->resources, &pcie->busn);
 
-       pci_ioremap_io(nr * SZ_64K, io_start);
+       pci_ioremap_io(pcie->pio.start, pcie->io.start);
 
        return 1;
 }
@@ -786,7 +784,6 @@ static irqreturn_t tegra_pcie_isr(int irq, void *arg)
 static void tegra_pcie_setup_translations(struct tegra_pcie *pcie)
 {
        u32 fpci_bar, size, axi_address;
-       phys_addr_t io_start = pci_pio_to_address(pcie->io.start);
 
        /* Bar 0: type 1 extended configuration space */
        fpci_bar = 0xfe100000;
@@ -799,7 +796,7 @@ static void tegra_pcie_setup_translations(struct tegra_pcie *pcie)
        /* Bar 1: downstream IO bar */
        fpci_bar = 0xfdfc0000;
        size = resource_size(&pcie->io);
-       axi_address = io_start;
+       axi_address = pcie->io.start;
        afi_writel(pcie, axi_address, AFI_AXI_BAR1_START);
        afi_writel(pcie, size >> 12, AFI_AXI_BAR1_SZ);
        afi_writel(pcie, fpci_bar, AFI_FPCI_BAR1);
@@ -1690,8 +1687,23 @@ static int tegra_pcie_parse_dt(struct tegra_pcie *pcie)
 
                switch (res.flags & IORESOURCE_TYPE_BITS) {
                case IORESOURCE_IO:
-                       memcpy(&pcie->io, &res, sizeof(res));
-                       pcie->io.name = np->full_name;
+                       memcpy(&pcie->pio, &res, sizeof(res));
+                       pcie->pio.name = np->full_name;
+
+                       /*
+                        * The Tegra PCIe host bridge uses this to program the
+                        * mapping of the I/O space to the physical address,
+                        * so we override the .start and .end fields here that
+                        * of_pci_range_to_resource() converted to I/O space.
+                        * We also set the IORESOURCE_MEM type to clarify that
+                        * the resource is in the physical memory space.
+                        */
+                       pcie->io.start = range.cpu_addr;
+                       pcie->io.end = range.cpu_addr + range.size - 1;
+                       pcie->io.flags = IORESOURCE_MEM;
+                       pcie->io.name = "I/O";
+
+                       memcpy(&res, &pcie->io, sizeof(res));
                        break;
 
                case IORESOURCE_MEM:
index 8532c3e..1626dc6 100644 (file)
@@ -161,7 +161,7 @@ static const struct s3c2410_wdt_variant drv_data_exynos5420 = {
 static const struct s3c2410_wdt_variant drv_data_exynos7 = {
        .disable_reg = EXYNOS5_WDT_DISABLE_REG_OFFSET,
        .mask_reset_reg = EXYNOS5_WDT_MASK_RESET_REG_OFFSET,
-       .mask_bit = 0,
+       .mask_bit = 23,
        .rst_stat_reg = EXYNOS5_RST_STAT_REG_OFFSET,
        .rst_stat_bit = 23,     /* A57 WDTRESET */
        .quirks = QUIRK_HAS_PMU_CONFIG | QUIRK_HAS_RST_STAT,
index 6df8d3d..b8b92c2 100644 (file)
@@ -736,7 +736,12 @@ static struct dentry *vfat_lookup(struct inode *dir, struct dentry *dentry,
        }
 
        alias = d_find_alias(inode);
-       if (alias && !vfat_d_anon_disconn(alias)) {
+       /*
+        * Checking "alias->d_parent == dentry->d_parent" to make sure
+        * FS is not corrupted (especially double linked dir).
+        */
+       if (alias && alias->d_parent == dentry->d_parent &&
+           !vfat_d_anon_disconn(alias)) {
                /*
                 * This inode has non anonymous-DCACHE_DISCONNECTED
                 * dentry. This means, the user did ->lookup() by an
@@ -755,12 +760,9 @@ static struct dentry *vfat_lookup(struct inode *dir, struct dentry *dentry,
 
 out:
        mutex_unlock(&MSDOS_SB(sb)->s_lock);
-       dentry->d_time = dentry->d_parent->d_inode->i_version;
-       dentry = d_splice_alias(inode, dentry);
-       if (dentry)
-               dentry->d_time = dentry->d_parent->d_inode->i_version;
-       return dentry;
-
+       if (!inode)
+               dentry->d_time = dir->i_version;
+       return d_splice_alias(inode, dentry);
 error:
        mutex_unlock(&MSDOS_SB(sb)->s_lock);
        return ERR_PTR(err);
@@ -793,7 +795,6 @@ static int vfat_create(struct inode *dir, struct dentry *dentry, umode_t mode,
        inode->i_mtime = inode->i_atime = inode->i_ctime = ts;
        /* timestamp is already written, so mark_inode_dirty() is unneeded. */
 
-       dentry->d_time = dentry->d_parent->d_inode->i_version;
        d_instantiate(dentry, inode);
 out:
        mutex_unlock(&MSDOS_SB(sb)->s_lock);
@@ -824,6 +825,7 @@ static int vfat_rmdir(struct inode *dir, struct dentry *dentry)
        clear_nlink(inode);
        inode->i_mtime = inode->i_atime = CURRENT_TIME_SEC;
        fat_detach(inode);
+       dentry->d_time = dir->i_version;
 out:
        mutex_unlock(&MSDOS_SB(sb)->s_lock);
 
@@ -849,6 +851,7 @@ static int vfat_unlink(struct inode *dir, struct dentry *dentry)
        clear_nlink(inode);
        inode->i_mtime = inode->i_atime = CURRENT_TIME_SEC;
        fat_detach(inode);
+       dentry->d_time = dir->i_version;
 out:
        mutex_unlock(&MSDOS_SB(sb)->s_lock);
 
@@ -889,7 +892,6 @@ static int vfat_mkdir(struct inode *dir, struct dentry *dentry, umode_t mode)
        inode->i_mtime = inode->i_atime = inode->i_ctime = ts;
        /* timestamp is already written, so mark_inode_dirty() is unneeded. */
 
-       dentry->d_time = dentry->d_parent->d_inode->i_version;
        d_instantiate(dentry, inode);
 
        mutex_unlock(&MSDOS_SB(sb)->s_lock);
index e4dc747..1df94fa 100644 (file)
@@ -1853,13 +1853,12 @@ int jbd2_journal_set_features (journal_t *journal, unsigned long compat,
                                journal->j_chksum_driver = NULL;
                                return 0;
                        }
-               }
 
-               /* Precompute checksum seed for all metadata */
-               if (jbd2_journal_has_csum_v2or3(journal))
+                       /* Precompute checksum seed for all metadata */
                        journal->j_csum_seed = jbd2_chksum(journal, ~0,
                                                           sb->s_uuid,
                                                           sizeof(sb->s_uuid));
+               }
        }
 
        /* If enabling v1 checksums, downgrade superblock */
index 4c94f31..8523f9b 100644 (file)
@@ -427,7 +427,7 @@ header-y += virtio_net.h
 header-y += virtio_pci.h
 header-y += virtio_ring.h
 header-y += virtio_rng.h
-header=y += vm_sockets.h
+header-y += vm_sockets.h
 header-y += vt.h
 header-y += wait.h
 header-y += wanrouter.h
index 454f6c6..53c3310 100644 (file)
--- a/ipc/sem.c
+++ b/ipc/sem.c
@@ -507,13 +507,6 @@ static int newary(struct ipc_namespace *ns, struct ipc_params *params)
                return retval;
        }
 
-       id = ipc_addid(&sem_ids(ns), &sma->sem_perm, ns->sc_semmni);
-       if (id < 0) {
-               ipc_rcu_putref(sma, sem_rcu_free);
-               return id;
-       }
-       ns->used_sems += nsems;
-
        sma->sem_base = (struct sem *) &sma[1];
 
        for (i = 0; i < nsems; i++) {
@@ -528,6 +521,14 @@ static int newary(struct ipc_namespace *ns, struct ipc_params *params)
        INIT_LIST_HEAD(&sma->list_id);
        sma->sem_nsems = nsems;
        sma->sem_ctime = get_seconds();
+
+       id = ipc_addid(&sem_ids(ns), &sma->sem_perm, ns->sc_semmni);
+       if (id < 0) {
+               ipc_rcu_putref(sma, sem_rcu_free);
+               return id;
+       }
+       ns->used_sems += nsems;
+
        sem_unlock(sma, -1);
        rcu_read_unlock();
 
index 24beb9b..89e7283 100644 (file)
@@ -2874,10 +2874,14 @@ asmlinkage __visible void __sched schedule_user(void)
         * or we have been woken up remotely but the IPI has not yet arrived,
         * we haven't yet exited the RCU idle mode. Do it here manually until
         * we find a better solution.
+        *
+        * NB: There are buggy callers of this function.  Ideally we
+        * should warn if prev_state != IN_USER, but that will trigger
+        * too frequently to make sense yet.
         */
-       user_exit();
+       enum ctx_state prev_state = exception_enter();
        schedule();
-       user_enter();
+       exception_exit(prev_state);
 }
 #endif
 
index cce4dd6..2e65d20 100644 (file)
@@ -598,6 +598,7 @@ struct gen_pool *devm_gen_pool_create(struct device *dev, int min_alloc_order,
 
        return pool;
 }
+EXPORT_SYMBOL(devm_gen_pool_create);
 
 /**
  * dev_get_gen_pool - Obtain the gen_pool (if any) for a device
index 0922579..5e25627 100644 (file)
@@ -28,7 +28,7 @@ void show_mem(unsigned int filter)
                                continue;
 
                        total += zone->present_pages;
-                       reserved = zone->present_pages - zone->managed_pages;
+                       reserved += zone->present_pages - zone->managed_pages;
 
                        if (is_highmem_idx(zoneid))
                                highmem += zone->present_pages;
index c30eec5..f2a3571 100644 (file)
@@ -244,8 +244,10 @@ int __frontswap_store(struct page *page)
                  the (older) page from frontswap
                 */
                inc_frontswap_failed_stores();
-               if (dup)
+               if (dup) {
                        __frontswap_clear(sis, offset);
+                       frontswap_ops->invalidate_page(type, offset);
+               }
        }
        if (frontswap_writethrough_enabled)
                /* report failure so swap also writes to swap device */
index 655fd3d..d3cb2ef 100644 (file)
@@ -816,20 +816,20 @@ copy_one_pte(struct mm_struct *dst_mm, struct mm_struct *src_mm,
                if (!pte_file(pte)) {
                        swp_entry_t entry = pte_to_swp_entry(pte);
 
-                       if (swap_duplicate(entry) < 0)
-                               return entry.val;
-
-                       /* make sure dst_mm is on swapoff's mmlist. */
-                       if (unlikely(list_empty(&dst_mm->mmlist))) {
-                               spin_lock(&mmlist_lock);
-                               if (list_empty(&dst_mm->mmlist))
-                                       list_add(&dst_mm->mmlist,
-                                                &src_mm->mmlist);
-                               spin_unlock(&mmlist_lock);
-                       }
-                       if (likely(!non_swap_entry(entry)))
+                       if (likely(!non_swap_entry(entry))) {
+                               if (swap_duplicate(entry) < 0)
+                                       return entry.val;
+
+                               /* make sure dst_mm is on swapoff's mmlist. */
+                               if (unlikely(list_empty(&dst_mm->mmlist))) {
+                                       spin_lock(&mmlist_lock);
+                                       if (list_empty(&dst_mm->mmlist))
+                                               list_add(&dst_mm->mmlist,
+                                                        &src_mm->mmlist);
+                                       spin_unlock(&mmlist_lock);
+                               }
                                rss[MM_SWAPENTS]++;
-                       else if (is_migration_entry(entry)) {
+                       else if (is_migration_entry(entry)) {
                                page = migration_entry_to_page(entry);
 
                                if (PageAnon(page))
index 87e82b3..ae91989 100644 (file)
--- a/mm/mmap.c
+++ b/mm/mmap.c
@@ -776,8 +776,11 @@ again:                     remove_next = 1 + (end > next->vm_end);
                 * shrinking vma had, to cover any anon pages imported.
                 */
                if (exporter && exporter->anon_vma && !importer->anon_vma) {
-                       if (anon_vma_clone(importer, exporter))
-                               return -ENOMEM;
+                       int error;
+
+                       error = anon_vma_clone(importer, exporter);
+                       if (error)
+                               return error;
                        importer->anon_vma = exporter->anon_vma;
                }
        }
@@ -2469,7 +2472,8 @@ static int __split_vma(struct mm_struct *mm, struct vm_area_struct *vma,
        if (err)
                goto out_free_vma;
 
-       if (anon_vma_clone(new, vma))
+       err = anon_vma_clone(new, vma);
+       if (err)
                goto out_free_mpol;
 
        if (new->vm_file)
index d3eb1e0..a2a1eab 100644 (file)
--- a/mm/rmap.c
+++ b/mm/rmap.c
@@ -274,6 +274,7 @@ int anon_vma_fork(struct vm_area_struct *vma, struct vm_area_struct *pvma)
 {
        struct anon_vma_chain *avc;
        struct anon_vma *anon_vma;
+       int error;
 
        /* Don't bother if the parent process has no anon_vma here. */
        if (!pvma->anon_vma)
@@ -283,8 +284,9 @@ int anon_vma_fork(struct vm_area_struct *vma, struct vm_area_struct *pvma)
         * First, attach the new VMA to the parent VMA's anon_vmas,
         * so rmap can find non-COWed pages in child processes.
         */
-       if (anon_vma_clone(vma, pvma))
-               return -ENOMEM;
+       error = anon_vma_clone(vma, pvma);
+       if (error)
+               return error;
 
        /* Then add our own anon_vma. */
        anon_vma = anon_vma_alloc();
index eb2b2ea..f34e053 100644 (file)
--- a/mm/slab.c
+++ b/mm/slab.c
@@ -3076,7 +3076,7 @@ static void *____cache_alloc_node(struct kmem_cache *cachep, gfp_t flags,
        void *obj;
        int x;
 
-       VM_BUG_ON(nodeid > num_online_nodes());
+       VM_BUG_ON(nodeid < 0 || nodeid >= MAX_NUMNODES);
        n = get_node(cachep, nodeid);
        BUG_ON(!n);
 
index d4042e7..c5afd57 100644 (file)
@@ -165,6 +165,7 @@ static void vmpressure_work_fn(struct work_struct *work)
        unsigned long scanned;
        unsigned long reclaimed;
 
+       spin_lock(&vmpr->sr_lock);
        /*
         * Several contexts might be calling vmpressure(), so it is
         * possible that the work was rescheduled again before the old
@@ -173,11 +174,12 @@ static void vmpressure_work_fn(struct work_struct *work)
         * here. No need for any locks here since we don't care if
         * vmpr->reclaimed is in sync.
         */
-       if (!vmpr->scanned)
+       scanned = vmpr->scanned;
+       if (!scanned) {
+               spin_unlock(&vmpr->sr_lock);
                return;
+       }
 
-       spin_lock(&vmpr->sr_lock);
-       scanned = vmpr->scanned;
        reclaimed = vmpr->reclaimed;
        vmpr->scanned = 0;
        vmpr->reclaimed = 0;
index b9b7dfa..76321ea 100644 (file)
@@ -1498,6 +1498,7 @@ static int do_setlink(const struct sk_buff *skb,
                        goto errout;
                }
                if (!netlink_ns_capable(skb, net->user_ns, CAP_NET_ADMIN)) {
+                       put_net(net);
                        err = -EPERM;
                        goto errout;
                }
index b8960c4..200e378 100644 (file)
@@ -117,6 +117,7 @@ struct keyring_search_context {
 #define KEYRING_SEARCH_NO_UPDATE_TIME  0x0004  /* Don't update times */
 #define KEYRING_SEARCH_NO_CHECK_PERM   0x0008  /* Don't check permissions */
 #define KEYRING_SEARCH_DETECT_TOO_DEEP 0x0010  /* Give an error on excessive depth */
+#define KEYRING_SEARCH_SKIP_EXPIRED    0x0020  /* Ignore expired keys (intention to replace) */
 
        int (*iterator)(const void *object, void *iterator_data);
 
index eff88a5..4743d71 100644 (file)
@@ -26,6 +26,8 @@
 #include <asm/uaccess.h>
 #include "internal.h"
 
+#define KEY_MAX_DESC_SIZE 4096
+
 static int key_get_type_from_user(char *type,
                                  const char __user *_type,
                                  unsigned len)
@@ -78,7 +80,7 @@ SYSCALL_DEFINE5(add_key, const char __user *, _type,
 
        description = NULL;
        if (_description) {
-               description = strndup_user(_description, PAGE_SIZE);
+               description = strndup_user(_description, KEY_MAX_DESC_SIZE);
                if (IS_ERR(description)) {
                        ret = PTR_ERR(description);
                        goto error;
@@ -177,7 +179,7 @@ SYSCALL_DEFINE4(request_key, const char __user *, _type,
                goto error;
 
        /* pull the description into kernel space */
-       description = strndup_user(_description, PAGE_SIZE);
+       description = strndup_user(_description, KEY_MAX_DESC_SIZE);
        if (IS_ERR(description)) {
                ret = PTR_ERR(description);
                goto error;
@@ -287,7 +289,7 @@ long keyctl_join_session_keyring(const char __user *_name)
        /* fetch the name from userspace */
        name = NULL;
        if (_name) {
-               name = strndup_user(_name, PAGE_SIZE);
+               name = strndup_user(_name, KEY_MAX_DESC_SIZE);
                if (IS_ERR(name)) {
                        ret = PTR_ERR(name);
                        goto error;
@@ -562,8 +564,9 @@ long keyctl_describe_key(key_serial_t keyid,
 {
        struct key *key, *instkey;
        key_ref_t key_ref;
-       char *tmpbuf;
+       char *infobuf;
        long ret;
+       int desclen, infolen;
 
        key_ref = lookup_user_key(keyid, KEY_LOOKUP_PARTIAL, KEY_NEED_VIEW);
        if (IS_ERR(key_ref)) {
@@ -586,38 +589,31 @@ long keyctl_describe_key(key_serial_t keyid,
        }
 
 okay:
-       /* calculate how much description we're going to return */
-       ret = -ENOMEM;
-       tmpbuf = kmalloc(PAGE_SIZE, GFP_KERNEL);
-       if (!tmpbuf)
-               goto error2;
-
        key = key_ref_to_ptr(key_ref);
+       desclen = strlen(key->description);
 
-       ret = snprintf(tmpbuf, PAGE_SIZE - 1,
-                      "%s;%d;%d;%08x;%s",
-                      key->type->name,
-                      from_kuid_munged(current_user_ns(), key->uid),
-                      from_kgid_munged(current_user_ns(), key->gid),
-                      key->perm,
-                      key->description ?: "");
-
-       /* include a NUL char at the end of the data */
-       if (ret > PAGE_SIZE - 1)
-               ret = PAGE_SIZE - 1;
-       tmpbuf[ret] = 0;
-       ret++;
+       /* calculate how much information we're going to return */
+       ret = -ENOMEM;
+       infobuf = kasprintf(GFP_KERNEL,
+                           "%s;%d;%d;%08x;",
+                           key->type->name,
+                           from_kuid_munged(current_user_ns(), key->uid),
+                           from_kgid_munged(current_user_ns(), key->gid),
+                           key->perm);
+       if (!infobuf)
+               goto error2;
+       infolen = strlen(infobuf);
+       ret = infolen + desclen + 1;
 
        /* consider returning the data */
-       if (buffer && buflen > 0) {
-               if (buflen > ret)
-                       buflen = ret;
-
-               if (copy_to_user(buffer, tmpbuf, buflen) != 0)
+       if (buffer && buflen >= ret) {
+               if (copy_to_user(buffer, infobuf, infolen) != 0 ||
+                   copy_to_user(buffer + infolen, key->description,
+                                desclen + 1) != 0)
                        ret = -EFAULT;
        }
 
-       kfree(tmpbuf);
+       kfree(infobuf);
 error2:
        key_ref_put(key_ref);
 error:
@@ -649,7 +645,7 @@ long keyctl_keyring_search(key_serial_t ringid,
        if (ret < 0)
                goto error;
 
-       description = strndup_user(_description, PAGE_SIZE);
+       description = strndup_user(_description, KEY_MAX_DESC_SIZE);
        if (IS_ERR(description)) {
                ret = PTR_ERR(description);
                goto error;
index 8177010..e72548b 100644 (file)
@@ -546,7 +546,8 @@ static int keyring_search_iterator(const void *object, void *iterator_data)
                }
 
                if (key->expiry && ctx->now.tv_sec >= key->expiry) {
-                       ctx->result = ERR_PTR(-EKEYEXPIRED);
+                       if (!(ctx->flags & KEYRING_SEARCH_SKIP_EXPIRED))
+                               ctx->result = ERR_PTR(-EKEYEXPIRED);
                        kleave(" = %d [expire]", ctx->skipped_ret);
                        goto skipped;
                }
@@ -628,6 +629,10 @@ static bool search_nested_keyrings(struct key *keyring,
               ctx->index_key.type->name,
               ctx->index_key.description);
 
+#define STATE_CHECKS (KEYRING_SEARCH_NO_STATE_CHECK | KEYRING_SEARCH_DO_STATE_CHECK)
+       BUG_ON((ctx->flags & STATE_CHECKS) == 0 ||
+              (ctx->flags & STATE_CHECKS) == STATE_CHECKS);
+
        if (ctx->index_key.description)
                ctx->index_key.desc_len = strlen(ctx->index_key.description);
 
@@ -637,7 +642,6 @@ static bool search_nested_keyrings(struct key *keyring,
        if (ctx->match_data.lookup_type == KEYRING_SEARCH_LOOKUP_ITERATE ||
            keyring_compare_object(keyring, &ctx->index_key)) {
                ctx->skipped_ret = 2;
-               ctx->flags |= KEYRING_SEARCH_DO_STATE_CHECK;
                switch (ctx->iterator(keyring_key_to_ptr(keyring), ctx)) {
                case 1:
                        goto found;
@@ -649,8 +653,6 @@ static bool search_nested_keyrings(struct key *keyring,
        }
 
        ctx->skipped_ret = 0;
-       if (ctx->flags & KEYRING_SEARCH_NO_STATE_CHECK)
-               ctx->flags &= ~KEYRING_SEARCH_DO_STATE_CHECK;
 
        /* Start processing a new keyring */
 descend_to_keyring:
index bb4337c..0c7aea4 100644 (file)
@@ -516,6 +516,8 @@ struct key *request_key_and_link(struct key_type *type,
                .match_data.cmp         = key_default_cmp,
                .match_data.raw_data    = description,
                .match_data.lookup_type = KEYRING_SEARCH_LOOKUP_DIRECT,
+               .flags                  = (KEYRING_SEARCH_DO_STATE_CHECK |
+                                          KEYRING_SEARCH_SKIP_EXPIRED),
        };
        struct key *key;
        key_ref_t key_ref;
index 6639e2c..5d672f7 100644 (file)
@@ -249,6 +249,7 @@ struct key *key_get_instantiation_authkey(key_serial_t target_id)
                .match_data.cmp         = key_default_cmp,
                .match_data.raw_data    = description,
                .match_data.lookup_type = KEYRING_SEARCH_LOOKUP_DIRECT,
+               .flags                  = KEYRING_SEARCH_DO_STATE_CHECK,
        };
        struct key *authkey;
        key_ref_t authkey_ref;
index 14f16be..b118a5b 100644 (file)
@@ -4790,6 +4790,8 @@ static const struct snd_pci_quirk alc269_fixup_tbl[] = {
        SND_PCI_QUIRK(0x1028, 0x0638, "Dell Inspiron 5439", ALC290_FIXUP_MONO_SPEAKERS_HSJACK),
        SND_PCI_QUIRK(0x1028, 0x064a, "Dell", ALC293_FIXUP_DELL1_MIC_NO_PRESENCE),
        SND_PCI_QUIRK(0x1028, 0x064b, "Dell", ALC293_FIXUP_DELL1_MIC_NO_PRESENCE),
+       SND_PCI_QUIRK(0x1028, 0x06d9, "Dell", ALC293_FIXUP_DELL1_MIC_NO_PRESENCE),
+       SND_PCI_QUIRK(0x1028, 0x06da, "Dell", ALC293_FIXUP_DELL1_MIC_NO_PRESENCE),
        SND_PCI_QUIRK(0x1028, 0x164a, "Dell", ALC293_FIXUP_DELL1_MIC_NO_PRESENCE),
        SND_PCI_QUIRK(0x1028, 0x164b, "Dell", ALC293_FIXUP_DELL1_MIC_NO_PRESENCE),
        SND_PCI_QUIRK(0x103c, 0x1586, "HP", ALC269_FIXUP_HP_MUTE_LED_MIC2),