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drm/radeon/kms: fix return value from fence function.
author
Dave Airlie
<airlied@redhat.com>
Wed, 9 Dec 2009 05:32:23 +0000
(15:32 +1000)
committer
Dave Airlie
<airlied@redhat.com>
Thu, 10 Dec 2009 05:09:04 +0000
(15:09 +1000)
We only want to return here for errors, the wait functions return
a positive timeout otherwise, which gets back to userspace and
causes X to crash here.
Signed-off-by: Dave Airlie <airlied@redhat.com>
drivers/gpu/drm/radeon/radeon_fence.c
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diff --git
a/drivers/gpu/drm/radeon/radeon_fence.c
b/drivers/gpu/drm/radeon/radeon_fence.c
index
78743cd
..
cb4cd97
100644
(file)
--- a/
drivers/gpu/drm/radeon/radeon_fence.c
+++ b/
drivers/gpu/drm/radeon/radeon_fence.c
@@
-197,7
+197,7
@@
retry:
r = wait_event_interruptible_timeout(rdev->fence_drv.queue,
radeon_fence_signaled(fence), timeout);
radeon_irq_kms_sw_irq_put(rdev);
- if (unlikely(r
!=
0))
+ if (unlikely(r
<
0))
return r;
} else {
radeon_irq_kms_sw_irq_get(rdev);