tree cc535a6fe30226afea64d02bed3636571a5eeade
parent 8765c5ba19490c9167fe0c4e05c2dfdcc39873a3
author Rafael J. Wysocki <rafael.j.wysocki@intel.com> 1428953751 +0200
committer Rafael J. Wysocki <rafael.j.wysocki@intel.com> 1428953751 +0200

ACPI / scan: Fix NULL pointer dereference in acpi_companion_match()

Commit e1acdeb0e770 "ACPI / scan: Simplify acpi_match_device()"
introduced code that may lead to a NULL pointer dereference when
trying to unlock a mutex.  Fix that.

Fixes: e1acdeb0e770 "ACPI / scan: Simplify acpi_match_device()"
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>