[PATCH] drm/radeon: fix fence related segfault in CS

[Christian König]

Don't return success if scheduling the IB fails, otherwise
we end up with an oops in ttm_eu_fence_buffer_objects.

Signed-off-by: Christian König <deathsimple at vodafone.de>
Cc: stable at vger.kernel.org
---
 drivers/gpu/drm/radeon/radeon_cs.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/radeon/radeon_cs.c b/drivers/gpu/drm/radeon/radeon_cs.c
index 142f894..17238f4 100644
--- a/drivers/gpu/drm/radeon/radeon_cs.c
+++ b/drivers/gpu/drm/radeon/radeon_cs.c
@@ -377,7 +377,7 @@ static int radeon_cs_ib_chunk(struct radeon_device *rdev,
 	if (r) {
 		DRM_ERROR("Failed to schedule IB !\n");
 	}
-	return 0;
+	return r;
 }
 
 static int radeon_bo_vm_update_pte(struct radeon_cs_parser *parser,
-- 
1.7.9.5