vendor/acpica/20091214

1 files changed, 9 insertions, 9 deletions

diff --git a/executer/exmutex.c b/executer/exmutex.c
index db5ab9e77a33..8b1bebf1e917 100644
--- a/executer/exmutex.c
+++ b/executer/exmutex.c
@@ -490,6 +490,15 @@ AcpiExReleaseMutex (
         return_ACPI_STATUS (AE_AML_MUTEX_NOT_ACQUIRED);
     }
 
+    /* Must have a valid thread ID */
+
+    if (!WalkState->Thread)
+    {
+        ACPI_ERROR ((AE_INFO, "Cannot release Mutex [%4.4s], null thread info",
+            AcpiUtGetNodeName (ObjDesc->Mutex.Node)));
+        return_ACPI_STATUS (AE_AML_INTERNAL);
+    }
+
     /*
      * The Mutex is owned, but this thread must be the owner.
      * Special case for Global Lock, any thread can release
@@ -505,15 +514,6 @@ AcpiExReleaseMutex (
         return_ACPI_STATUS (AE_AML_NOT_OWNER);
     }
 
-    /* Must have a valid thread ID */
-
-    if (!WalkState->Thread)
-    {
-        ACPI_ERROR ((AE_INFO, "Cannot release Mutex [%4.4s], null thread info",
-            AcpiUtGetNodeName (ObjDesc->Mutex.Node)));
-        return_ACPI_STATUS (AE_AML_INTERNAL);
-    }
-
     /*
      * The sync level of the mutex must be equal to the current sync level. In
      * other words, the current level means that at least one mutex at that