ACPICA: Namespace: add check to avoid null pointer dereference

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ACPICA commit 7586a625f9c34c3169efd88470192bf63119e31a

Some ACPICA userspace tools call acpi_ut_subsystem_shutdown() during
cleanup and dereference a null pointer when cleaning up the
namespace.

Link: 7586a625
Signed-off-by: Erik Schmauss <erik.schmauss@intel.com>
Signed-off-by: Bob Moore <robert.moore@intel.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>

...

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Erik Schmauss 2019-04-08 13:42:29 -07:00 • committed by Rafael J. Wysocki

parent 985d5124bf

commit df9271d69f

1 changed files with 4 additions and 0 deletions

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4

drivers/acpi/acpica/nsalloc.c

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