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(parent: 3d340b6) | patch
ACPI: processor: idle: Check acpi_fetch_acpi_dev() return value
authorLi Zhong <floridsleeves@gmail.com>
Fri, 2 Sep 2022 07:37:30 +0000 (00:37 -0700)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Sat, 31 Dec 2022 12:32:57 +0000 (13:32 +0100)
commitb85f0e292f73f353eea915499604fbf50c8238b4
tree13f1e40b07aa9051a03c496f58fc7cfb5015336ctree | snapshot
parent3d340b684dcec5e34efc470227cd1c7d2df121adcommit | diff
ACPI: processor: idle: Check acpi_fetch_acpi_dev() return value

[ Upstream commit 2437513a814b3e93bd02879740a8a06e52e2cf7d ]

The return value of acpi_fetch_acpi_dev() could be NULL, which would
cause a NULL pointer dereference to occur in acpi_device_hid().

Signed-off-by: Li Zhong <floridsleeves@gmail.com>
[ rjw: Subject and changelog edits, added empty line after if () ]
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
drivers/acpi/processor_idle.c diff | blob | history
Domain: System / Kernel;