drm/radeon/kms: drop lock in return path of radeon_fence_count_emitted.

Silly bad return path.

Reported-and-Tested-by: Mikko Vinni
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
CC: stable@vger.kernel.org
Signed-off-by: Dave Airlie <airlied@redhat.com>

1 files changed, 3 insertions, 1 deletions

diff --git a/drivers/gpu/drm/radeon/radeon_fence.c b/drivers/gpu/drm/radeon/radeon_fence.c
index 64ea3dd9e6ff..4bd36a354fbe 100644
--- a/drivers/gpu/drm/radeon/radeon_fence.c
+++ b/drivers/gpu/drm/radeon/radeon_fence.c
@@ -364,8 +364,10 @@ int radeon_fence_count_emitted(struct radeon_device *rdev, int ring)
         int not_processed = 0;
 
         read_lock_irqsave(&rdev->fence_lock, irq_flags);
-        if (!rdev->fence_drv[ring].initialized)
+        if (!rdev->fence_drv[ring].initialized) {
+                read_unlock_irqrestore(&rdev->fence_lock, irq_flags);
                 return 0;
+        }
 
         if (!list_empty(&rdev->fence_drv[ring].emitted)) {
                 struct list_head *ptr;