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-rw-r--r--kernel/locking/mutex.c8
1 files changed, 6 insertions, 2 deletions
diff --git a/kernel/locking/mutex.c b/kernel/locking/mutex.c
index 468a9b8422e3..54cc5f9286e9 100644
--- a/kernel/locking/mutex.c
+++ b/kernel/locking/mutex.c
@@ -733,6 +733,9 @@ static noinline void __sched __mutex_unlock_slowpath(struct mutex *lock, unsigne
*/
void __sched mutex_unlock(struct mutex *lock)
{
+#ifdef CONFIG_DEBUG_MUTEXES
+ WARN_ON(in_interrupt());
+#endif
#ifndef CONFIG_DEBUG_LOCK_ALLOC
if (__mutex_unlock_fast(lock))
return;
@@ -1091,7 +1094,7 @@ err:
err_early_kill:
spin_unlock(&lock->wait_lock);
debug_mutex_free_waiter(&waiter);
- mutex_release(&lock->dep_map, 1, ip);
+ mutex_release(&lock->dep_map, ip);
preempt_enable();
return ret;
}
@@ -1225,7 +1228,7 @@ static noinline void __sched __mutex_unlock_slowpath(struct mutex *lock, unsigne
DEFINE_WAKE_Q(wake_q);
unsigned long owner;
- mutex_release(&lock->dep_map, 1, ip);
+ mutex_release(&lock->dep_map, ip);
/*
* Release the lock before (potentially) taking the spinlock such that
@@ -1413,6 +1416,7 @@ int __sched mutex_trylock(struct mutex *lock)
#ifdef CONFIG_DEBUG_MUTEXES
DEBUG_LOCKS_WARN_ON(lock->magic != lock);
+ WARN_ON(in_interrupt());
#endif
locked = __mutex_trylock(lock);