drivers/gpu/drm/radeon/radeon_fence.c: move a dereference belowthe NULL test

[Darren Jenkins]

If a NULL value is possible, the dereference should only occur after the
NULL test.

Coverity CID: 13334

Signed-off-by: Darren Jenkins <darrenrjenkins@xxxxxxxxx>
diff --git a/drivers/gpu/drm/radeon/radeon_fence.c
b/drivers/gpu/drm/radeon/radeon_fence.c
index cb4cd97..f4f5942 100644
--- a/drivers/gpu/drm/radeon/radeon_fence.c
+++ b/drivers/gpu/drm/radeon/radeon_fence.c
@@ -140,14 +140,14 @@ int radeon_fence_create(struct radeon_device
*rdev, struct radeon_fence **fence)
 
 bool radeon_fence_signaled(struct radeon_fence *fence)
 {
-	struct radeon_device *rdev = fence->rdev;
 	unsigned long irq_flags;
 	bool signaled = false;
 
-	if (rdev->gpu_lockup) {
+	if (fence == NULL) {
 		return true;
 	}
-	if (fence == NULL) {
+
+	if (fence->rdev->gpu_lockup) {
 		return true;
 	}
 	write_lock_irqsave(&fence->rdev->fence_drv.lock, irq_flags);


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