[PATCH] dma-buf/fence: add an lockdep_assert_held()

[Rob Clark]

Signed-off-by: Rob Clark <robdclark at gmail.com>
---
Hmm, looks like I forgot to send this..

 drivers/dma-buf/fence.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/drivers/dma-buf/fence.c b/drivers/dma-buf/fence.c
index 4d51f9e..cc05ddd 100644
--- a/drivers/dma-buf/fence.c
+++ b/drivers/dma-buf/fence.c
@@ -68,6 +68,8 @@ int fence_signal_locked(struct fence *fence)
 	struct fence_cb *cur, *tmp;
 	int ret = 0;
 
+	lockdep_assert_held(fence->lock);
+
 	if (WARN_ON(!fence))
 		return -EINVAL;
 
-- 
2.7.4