[tip:core/locking] kernel/mutex.c: Fix unused var warning

From: tip-bot for Andrew Morton
Date: Tue May 18 2010 - 10:49:35 EST

Commit-ID: 0f14452563e342637f9a3a2f036cac7315081b2b
Gitweb: http://git.kernel.org/tip/0f14452563e342637f9a3a2f036cac7315081b2b
Author: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
AuthorDate: Fri, 14 May 2010 11:13:48 -0700
Committer: Ingo Molnar <mingo@xxxxxxx>
CommitDate: Tue, 18 May 2010 16:46:03 +0200

kernel/mutex.c: Fix unused var warning

kernel/mutex.c: In function '__mutex_lock_common':
kernel/mutex.c:148: warning: unused variable 'timeout'

Cc: Linus Torvalds <torvalds@xxxxxxxxxxxxxxxxxxxx>
Cc: Benjamin Herrenschmidt <benh@xxxxxxxxxxxxxxxxxxx>
Cc: Peter Zijlstra <a.p.zijlstra@xxxxxxxxx>
Cc: <stable@xxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
LKML-Reference: <201005141841.o4EIfcl0015387@xxxxxxxxxxxxxxxxxxxxxxxxxx>
Signed-off-by: Ingo Molnar <mingo@xxxxxxx>
kernel/mutex.c | 2 +-
1 files changed, 1 insertions(+), 1 deletions(-)

diff --git a/kernel/mutex.c b/kernel/mutex.c
index 7d4626b..b998c6e 100644
--- a/kernel/mutex.c
+++ b/kernel/mutex.c
@@ -145,7 +145,7 @@ __mutex_lock_common(struct mutex *lock, long state, unsigned int subclass,
struct task_struct *task = current;
struct mutex_waiter waiter;
unsigned long flags;
- unsigned long timeout;
+ unsigned long timeout __maybe_unused;

mutex_acquire(&lock->dep_map, subclass, 0, ip);
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