drm/radeon/kms: Return to userspace on ERESTARTSYS
radeon_object.h wasn't converted to ERESTARTSYS change. No each time we got an ERESTARTSYS we return to userspace (ie we were interrupted by a signal and we let the userspace reschedule the ioctl). Signed-off-by: Jerome Glisse <jglisse@redhat.com> Signed-off-by: Dave Airlie <airlied@redhat.com>
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@ -59,19 +59,17 @@ static inline unsigned radeon_mem_type_to_domain(u32 mem_type)
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*
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* Returns:
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* -EBUSY: buffer is busy and @no_wait is true
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* -ERESTART: A wait for the buffer to become unreserved was interrupted by
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* -ERESTARTSYS: A wait for the buffer to become unreserved was interrupted by
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* a signal. Release all buffer reservations and return to user-space.
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*/
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static inline int radeon_bo_reserve(struct radeon_bo *bo, bool no_wait)
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{
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int r;
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retry:
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r = ttm_bo_reserve(&bo->tbo, true, no_wait, false, 0);
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if (unlikely(r != 0)) {
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if (r == -ERESTART)
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goto retry;
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dev_err(bo->rdev->dev, "%p reserve failed\n", bo);
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if (r != -ERESTARTSYS)
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dev_err(bo->rdev->dev, "%p reserve failed\n", bo);
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return r;
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}
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return 0;
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@ -125,12 +123,10 @@ static inline int radeon_bo_wait(struct radeon_bo *bo, u32 *mem_type,
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{
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int r;
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retry:
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r = ttm_bo_reserve(&bo->tbo, true, no_wait, false, 0);
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if (unlikely(r != 0)) {
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if (r == -ERESTART)
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goto retry;
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dev_err(bo->rdev->dev, "%p reserve failed for wait\n", bo);
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if (r != -ERESTARTSYS)
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dev_err(bo->rdev->dev, "%p reserve failed for wait\n", bo);
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return r;
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}
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spin_lock(&bo->tbo.lock);
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@ -140,8 +136,6 @@ retry:
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r = ttm_bo_wait(&bo->tbo, true, true, no_wait);
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spin_unlock(&bo->tbo.lock);
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ttm_bo_unreserve(&bo->tbo);
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if (unlikely(r == -ERESTART))
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goto retry;
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return r;
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}
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