[PATCH 03/50] ACPICA: Update for GCC 4

From: Len Brown
Date: Tue Jan 17 2012 - 07:30:10 EST


From: Bob Moore <robert.moore@xxxxxxxxx>

Fixes several issues with GCC 4.6 related to the new checks for
unused variables.

http://www.acpica.org/bugzilla/show_bug.cgi?id=935

Signed-off-by: Bob Moore <robert.moore@xxxxxxxxx>
Signed-off-by: Lin Ming <ming.m.lin@xxxxxxxxx>
Signed-off-by: Len Brown <len.brown@xxxxxxxxx>
---
drivers/acpi/acpica/utmutex.c | 9 +++------
1 files changed, 3 insertions(+), 6 deletions(-)

diff --git a/drivers/acpi/acpica/utmutex.c b/drivers/acpi/acpica/utmutex.c
index 7d797e2..302c74e 100644
--- a/drivers/acpi/acpica/utmutex.c
+++ b/drivers/acpi/acpica/utmutex.c
@@ -293,14 +293,10 @@ acpi_status acpi_ut_acquire_mutex(acpi_mutex_handle mutex_id)

acpi_status acpi_ut_release_mutex(acpi_mutex_handle mutex_id)
{
- acpi_thread_id this_thread_id;
-
ACPI_FUNCTION_NAME(ut_release_mutex);

- this_thread_id = acpi_os_get_thread_id();
-
ACPI_DEBUG_PRINT((ACPI_DB_MUTEX, "Thread %u releasing Mutex [%s]\n",
- (u32)this_thread_id,
+ (u32)acpi_os_get_thread_id(),
acpi_ut_get_mutex_name(mutex_id)));

if (mutex_id > ACPI_MAX_MUTEX) {
@@ -329,7 +325,8 @@ acpi_status acpi_ut_release_mutex(acpi_mutex_handle mutex_id)
* the ACPI subsystem code.
*/
for (i = mutex_id; i < ACPI_NUM_MUTEX; i++) {
- if (acpi_gbl_mutex_info[i].thread_id == this_thread_id) {
+ if (acpi_gbl_mutex_info[i].thread_id ==
+ acpi_os_get_thread_id()) {
if (i == mutex_id) {
continue;
}
--
1.7.9.rc1

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