i2c: acpi: fix resource leak in reconfiguration device addition
authorJamie Iles <quic_jiles@quicinc.com>
Wed, 22 Sep 2021 16:57:18 +0000 (17:57 +0100)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Wed, 13 Oct 2021 08:04:29 +0000 (10:04 +0200)
commitf86de018fd7a24ee07372d55ffa7824f0c674a95
treee6d0ef3471b078148420284ddf6a34a87acdbdd5
parent87990a60b45ff820e6ffb10d2f779892f400f7b5
i2c: acpi: fix resource leak in reconfiguration device addition

[ Upstream commit 6558b646ce1c2a872fe1c2c7cb116f05a2c1950f ]

acpi_i2c_find_adapter_by_handle() calls bus_find_device() which takes a
reference on the adapter which is never released which will result in a
reference count leak and render the adapter unremovable.  Make sure to
put the adapter after creating the client in the same manner that we do
for OF.

Fixes: 525e6fabeae2 ("i2c / ACPI: add support for ACPI reconfigure notifications")
Signed-off-by: Jamie Iles <quic_jiles@quicinc.com>
Acked-by: Mika Westerberg <mika.westerberg@linux.intel.com>
[wsa: fixed title]
Signed-off-by: Wolfram Sang <wsa@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
drivers/i2c/i2c-core-acpi.c