ACPICA: fix acpi_ex_release_mutex() comment

trivial, leftover from my NULL pointer dereference patch which got
'superseded' by commit fbc3be2

Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Len Brown <len.brown@intel.com>

1 files changed, 1 insertions, 2 deletions

diff --git a/drivers/acpi/acpica/exmutex.c b/drivers/acpi/acpica/exmutex.c
index 3c456bd575d0..c4a47dda17e0 100644
--- a/drivers/acpi/acpica/exmutex.c
+++ b/drivers/acpi/acpica/exmutex.c
@@ -375,8 +375,7 @@ acpi_ex_release_mutex(union acpi_operand_object *obj_desc,
                 return_ACPI_STATUS(AE_AML_MUTEX_NOT_ACQUIRED);
         }
 
-        /* Must have a valid thread ID */
-
+        /* Must have a valid thread. */
         if (!walk_state->thread) {
                 ACPI_ERROR((AE_INFO,
                             "Cannot release Mutex [%4.4s], null thread info",