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authorJames Morris <james.l.morris@oracle.com>2014-04-14 11:23:14 +1000
committerJames Morris <james.l.morris@oracle.com>2014-04-14 11:23:14 +1000
commitecd740c6f2f092b90b95fa35f757973589eaaca2 (patch)
treece02b1e18c4fc5729699251460cd8be7604d8401 /kernel/locking/mutex-debug.c
parentf64410ec665479d7b4b77b7519e814253ed0f686 (diff)
parent455c6fdbd219161bd09b1165f11699d6d73de11c (diff)
Merge commit 'v3.14' into next
Diffstat (limited to 'kernel/locking/mutex-debug.c')
-rw-r--r--kernel/locking/mutex-debug.c7
1 files changed, 6 insertions, 1 deletions
diff --git a/kernel/locking/mutex-debug.c b/kernel/locking/mutex-debug.c
index 7e3443fe1f4..faf6f5b53e7 100644
--- a/kernel/locking/mutex-debug.c
+++ b/kernel/locking/mutex-debug.c
@@ -75,7 +75,12 @@ void debug_mutex_unlock(struct mutex *lock)
return;
DEBUG_LOCKS_WARN_ON(lock->magic != lock);
- 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);
}