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| author | Davidlohr Bueso <davidlohr.bueso@hp.com> | 2013-07-24 22:25:17 +0400 |
|---|---|---|
| committer | Ingo Molnar <mingo@kernel.org> | 2013-07-26 01:21:24 +0400 |
| commit | 2b4883972271f8d61de67aa365ade89dfff69db1 (patch) | |
| tree | 6e53fa2c3ffc3a89ca83f02b8a11ce8574c070d9 | |
| parent | ec83f425dbca47e19c6737e8e7db0d0924a5de1b (diff) | |
| download | linux-2b4883972271f8d61de67aa365ade89dfff69db1.tar.xz | |
mutex: Avoid label warning when !CONFIG_MUTEX_SPIN_ON_OWNER
Fengguang reported the following warning when optimistic
spinning is disabled (ie: make allnoconfig):
kernel/mutex.c:599:1: warning: label 'done' defined but not used
Remove the 'done' label altogether.
Reported-by: Fengguang Wu <fengguang.wu@intel.com>
Signed-off-by: Davidlohr Bueso <davidlohr.bueso@hp.com>
Signed-off-by: Ingo Molnar <mingo@kernel.org>
| -rw-r--r-- | kernel/mutex.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/kernel/mutex.c b/kernel/mutex.c index 386ad5da47a5..98164a55a4dc 100644 --- a/kernel/mutex.c +++ b/kernel/mutex.c @@ -489,7 +489,8 @@ __mutex_lock_common(struct mutex *lock, long state, unsigned int subclass, mutex_set_owner(lock); mspin_unlock(MLOCK(lock), &node); - goto done; + preempt_enable(); + return 0; } mspin_unlock(MLOCK(lock), &node); @@ -596,7 +597,6 @@ skip_wait: } spin_unlock_mutex(&lock->wait_lock, flags); -done: preempt_enable(); return 0; |