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Diffstat (limited to 'drivers/acpi/acpica/exmutex.c')
| -rw-r--r-- | drivers/acpi/acpica/exmutex.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/drivers/acpi/acpica/exmutex.c b/drivers/acpi/acpica/exmutex.c index d1f449d93dc..02157ef486d 100644 --- a/drivers/acpi/acpica/exmutex.c +++ b/drivers/acpi/acpica/exmutex.c @@ -377,7 +377,8 @@ acpi_ex_release_mutex(union acpi_operand_object *obj_desc, return_ACPI_STATUS(AE_AML_MUTEX_NOT_ACQUIRED); } - /* Must have a valid thread. */ + /* Must have a valid thread ID */ + if (!walk_state->thread) { ACPI_ERROR((AE_INFO, "Cannot release Mutex [%4.4s], null thread info", |