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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>
This commit is contained in:
Davidlohr Bueso 2013-07-24 11:25:17 -07:00 committed by Ingo Molnar
parent ec83f425db
commit 2b48839722
1 changed files with 2 additions and 2 deletions
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4
kernel/mutex.c
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@ -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;