From 40e8c738785a25be585fcf661c6bb32f1a090ef2 Mon Sep 17 00:00:00 2001
From: Dave Airlie <airlied@redhat.com>
Date: Mon, 13 Feb 2012 12:18:37 +0000
Subject: [PATCH] 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>
---
drivers/gpu/drm/radeon/radeon_fence.c | 4 +++-
1 file changed, 3 insertions(+), 1 deletion(-)
diff --git a/drivers/gpu/drm/radeon/radeon_fence.c b/drivers/gpu/drm/radeon/radeon_fence.c
index 64ea3dd9e6ff2..4bd36a354fbef 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;
--
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