diff options
| author | Ingo Molnar <mingo@kernel.org> | 2014-04-18 12:14:55 +0200 |
|---|---|---|
| committer | Ingo Molnar <mingo@kernel.org> | 2014-04-18 12:14:55 +0200 |
| commit | 1111b680d34bc19190f02a1b4479c3fcc592c22e (patch) | |
| tree | 9d45ad88b9354205a2d1fd76a338ab8693a16d86 /kernel/locking/mutex-debug.c | |
| parent | 37b6cb475a6d74bc047c53bc323d6eb3113e27a4 (diff) | |
| parent | 24223657806a0ebd0ae5c9caaf7b021091889cf2 (diff) | |
Merge branch 'perf/urgent' into perf/core, to pick up PMU driver fixes.
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'kernel/locking/mutex-debug.c')
| -rw-r--r-- | kernel/locking/mutex-debug.c | 19 |
1 files changed, 9 insertions, 10 deletions
diff --git a/kernel/locking/mutex-debug.c b/kernel/locking/mutex-debug.c index e1191c996c5..5cf6731b98e 100644 --- a/kernel/locking/mutex-debug.c +++ b/kernel/locking/mutex-debug.c @@ -71,18 +71,17 @@ void mutex_remove_waiter(struct mutex *lock, struct mutex_waiter *waiter, void debug_mutex_unlock(struct mutex *lock) { - if (unlikely(!debug_locks)) - return; + if (likely(debug_locks)) { + DEBUG_LOCKS_WARN_ON(lock->magic != lock); - DEBUG_LOCKS_WARN_ON(lock->magic != lock); + if (!lock->owner) + DEBUG_LOCKS_WARN_ON(!lock->owner); + else + DEBUG_LOCKS_WARN_ON(lock->owner != current); - if (!lock->owner) - DEBUG_LOCKS_WARN_ON(!lock->owner); - else - DEBUG_LOCKS_WARN_ON(lock->owner != current); - - DEBUG_LOCKS_WARN_ON(!lock->wait_list.prev && !lock->wait_list.next); - mutex_clear_owner(lock); + DEBUG_LOCKS_WARN_ON(!lock->wait_list.prev && !lock->wait_list.next); + mutex_clear_owner(lock); + } /* * __mutex_slowpath_needs_to_unlock() is explicitly 0 for debug |