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authorLinus Torvalds <torvalds@linux-foundation.org>2015-01-11 11:46:31 -0800
committerLinus Torvalds <torvalds@linux-foundation.org>2015-01-11 11:46:31 -0800
commit1e6c3e8f8fb94a8914a380e02a7e8ad81d47273e (patch)
tree02630107e059e9834d53dee4ff86cf806a9eec2e /kernel
parentb800c91a0517071156e772d4fb329ad33590da62 (diff)
parent8e654dd68f95ac5f990ed21b2b31967dacbe563f (diff)
downloadlinux-1e6c3e8f8fb94a8914a380e02a7e8ad81d47273e.tar.bz2
Merge branch 'locking-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull locking fixes from Ingo Molnar: "A liblockdep fix and a mutex_unlock() mutex-debugging fix" * 'locking-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: mutex: Always clear owner field upon mutex_unlock() tools/liblockdep: Fix debug_check thinko in mutex destroy
Diffstat (limited to 'kernel')
-rw-r--r--kernel/locking/mutex-debug.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/kernel/locking/mutex-debug.c b/kernel/locking/mutex-debug.c
index 5cf6731b98e9..3ef3736002d8 100644
--- a/kernel/locking/mutex-debug.c
+++ b/kernel/locking/mutex-debug.c
@@ -80,13 +80,13 @@ void debug_mutex_unlock(struct mutex *lock)
DEBUG_LOCKS_WARN_ON(lock->owner != current);
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
* mutexes so that we can do it here after we've verified state.
*/
+ mutex_clear_owner(lock);
atomic_set(&lock->count, 1);
}