sync: use proper barriers when waiting indefinitely

The previous fix only addressed waiting with a timeout.

Change-Id: I8ad735d2d0dfdd53592904e8a54f5689cb5eaa5e
Signed-off-by: Erik Gilling <konkers@android.com>

diff --git a/drivers/base/sync.c b/drivers/base/sync.c
index b35344da4529eaea9ea5222724e5ce32fd9f0955..811365789d5b186384ba908183e777e1762e298f 100644 (file)
--- a/drivers/base/sync.c
+++ b/drivers/base/sync.c
@@ -587,7 +587,8 @@ int sync_fence_wait(struct sync_fence *fence, long timeout)
                                                       sync_fence_check(fence),
                                                       timeout);
        } else if (timeout < 0) {
-               err = wait_event_interruptible(fence->wq, fence->status != 0);
+               err = wait_event_interruptible(fence->wq,
+                                              sync_fence_check(fence));
        }
 
        if (err < 0)