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drm/radeon/kms: fix return value from fence function. 

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>
This commit is contained in:
Dave Airlie 2009-12-09 15:32:23 +10:00
parent 5cc6fbab9d
commit 2e7b6f7fa6
1 changed files with 1 additions and 1 deletions
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2
drivers/gpu/drm/radeon/radeon_fence.c
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@ -197,7 +197,7 @@ int radeon_fence_wait(struct radeon_fence *fence, bool intr)
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);