[PATCH 10/24] drm/radeon: return -ENOENT in fence_wait_next v2

[j.gli...@gmail.com]

From: Christian K?nig <deathsim...@vodafone.de>

We should signal the caller that we haven't waited at all.

v2: only change fence_wait_next not fence_wait_last.

Signed-off-by: Christian K?nig <deathsimple at vodafone.de>
---
 drivers/gpu/drm/radeon/radeon_fence.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)

diff --git a/drivers/gpu/drm/radeon/radeon_fence.c 
b/drivers/gpu/drm/radeon/radeon_fence.c
index 5d2ca1d..b8db542 100644
--- a/drivers/gpu/drm/radeon/radeon_fence.c
+++ b/drivers/gpu/drm/radeon/radeon_fence.c
@@ -286,7 +286,7 @@ int radeon_fence_wait_next(struct radeon_device *rdev, int 
ring)
        }
        if (list_empty(&rdev->fence_drv[ring].emitted)) {
                write_unlock_irqrestore(&rdev->fence_lock, irq_flags);
-               return 0;
+               return -ENOENT;
        }
        fence = list_entry(rdev->fence_drv[ring].emitted.next,
                           struct radeon_fence, list);
-- 
1.7.7.6