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>
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@ -197,7 +197,7 @@ retry:
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r = wait_event_interruptible_timeout(rdev->fence_drv.queue,
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radeon_fence_signaled(fence), timeout);
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radeon_irq_kms_sw_irq_put(rdev);
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if (unlikely(r != 0))
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if (unlikely(r < 0))
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return r;
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} else {
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radeon_irq_kms_sw_irq_get(rdev);
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