[PATCH] dma-buf: fix reservation_object_wait_timeout_rcu to wait correctly

[Christian König]

From: Christian König <christian.koenig at amd.com>

With hardware resets in mind it is possible that all shared fences are
signaled, but the exlusive isn't. Fix waiting for everything in this situation.

Signed-off-by: Christian König <christian.koenig at amd.com>
---
 drivers/dma-buf/reservation.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/dma-buf/reservation.c b/drivers/dma-buf/reservation.c
index e2eff86..ce3f9c1 100644
--- a/drivers/dma-buf/reservation.c
+++ b/drivers/dma-buf/reservation.c
@@ -461,7 +461,7 @@ long reservation_object_wait_timeout_rcu(struct reservation_object *obj,
 		}
 	}
 
-	if (!shared_count) {
+	if (!fence) {
 		struct dma_fence *fence_excl = rcu_dereference(obj->fence_excl);
 
 		if (fence_excl &&
-- 
2.7.4