ACPICA: Misc fixes for recent global lock code update

Fixes as a result of running full validation test suite.

Signed-off-by: Bob Moore <robert.moore@intel.com>
Signed-off-by: Alexey Starikovskiy <astarikovskiy@suse.de>
Signed-off-by: Len Brown <len.brown@intel.com>

1 files changed, 9 insertions, 2 deletions

diff --git a/drivers/acpi/executer/exutils.c b/drivers/acpi/executer/exutils.c
index c40b191f70b5..fd543ee547ae 100644
--- a/drivers/acpi/executer/exutils.c
+++ b/drivers/acpi/executer/exutils.c
@@ -278,7 +278,8 @@ void acpi_ex_acquire_global_lock(u32 field_flags)
  *
  * FUNCTION:    acpi_ex_release_global_lock
  *
- * PARAMETERS:  None
+ * PARAMETERS:  field_flags           - Flags with Lock rule:
+ *                                      always_lock or never_lock
  *
  * RETURN:      None
  *
@@ -286,12 +287,18 @@ void acpi_ex_acquire_global_lock(u32 field_flags)
  *
  ******************************************************************************/
 
-void acpi_ex_release_global_lock(void)
+void acpi_ex_release_global_lock(u32 field_flags)
 {
         acpi_status status;
 
         ACPI_FUNCTION_TRACE(ex_release_global_lock);
 
+        /* Only use the lock if the always_lock bit is set */
+
+        if (!(field_flags & AML_FIELD_LOCK_RULE_MASK)) {
+                return_VOID;
+        }
+
         /* Release the global lock */
 
         status = acpi_ex_release_mutex_object(acpi_gbl_global_lock_mutex);