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 König deathsimple@vodafone.de Reviewed-by: Michel Dänzer michel.daenzer@amd.com --- 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 1a9765a..2fbbc34 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);