diff options
Diffstat (limited to 'drivers/acpi/executer/exmutex.c')
| -rw-r--r-- | drivers/acpi/executer/exmutex.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/acpi/executer/exmutex.c b/drivers/acpi/executer/exmutex.c index f843b22e20b..eaee1de5e90 100644 --- a/drivers/acpi/executer/exmutex.c +++ b/drivers/acpi/executer/exmutex.c @@ -173,6 +173,7 @@ acpi_ex_acquire_mutex(union acpi_operand_object *time_desc, /* Support for multiple acquires by the owning thread */ if (obj_desc->mutex.owner_thread) { + /* Special case for Global Lock, allow all threads */ if ((obj_desc->mutex.owner_thread->thread_id == @@ -192,6 +193,7 @@ acpi_ex_acquire_mutex(union acpi_operand_object *time_desc, status = acpi_ex_system_acquire_mutex(time_desc, obj_desc); if (ACPI_FAILURE(status)) { + /* Includes failure from a timeout on time_desc */ return_ACPI_STATUS(status); @@ -286,6 +288,7 @@ acpi_ex_release_mutex(union acpi_operand_object *obj_desc, obj_desc->mutex.acquisition_depth--; if (obj_desc->mutex.acquisition_depth != 0) { + /* Just decrement the depth and return */ return_ACPI_STATUS(AE_OK); |