4.9-stable review patch. If anyone has any objections, please let me know. ------------------ From: Chris Wilson <chris@xxxxxxxxxxxxxxxxxx> commit 61894b02716f122dd7662d5d89f5b2245ca551e2 upstream. Use the canonical __dma_fence_is_later() to compare the fence seqno against the timeline seqno to check if the fence is signaled. Signed-off-by: Chris Wilson <chris@xxxxxxxxxxxxxxxxxx> Cc: Sumit Semwal <sumit.semwal@xxxxxxxxxx> Cc: Sean Paul <seanpaul@xxxxxxxxxxxx> Cc: Gustavo Padovan <gustavo@xxxxxxxxxxx> Reviewed-by: Sean Paul <seanpaul@xxxxxxxxxxxx> Signed-off-by: Gustavo Padovan <gustavo.padovan@xxxxxxxxxxxxx> Link: http://patchwork.freedesktop.org/patch/msgid/20170629125930.821-2-chris@xxxxxxxxxxxxxxxxxx [s/dma_fence/fence/g - gregkh] Cc: Jisheng Zhang <Jisheng.Zhang@xxxxxxxxxxxxx> Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx> --- drivers/dma-buf/sw_sync.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) --- a/drivers/dma-buf/sw_sync.c +++ b/drivers/dma-buf/sw_sync.c @@ -219,7 +219,7 @@ static bool timeline_fence_signaled(stru { struct sync_timeline *parent = fence_parent(fence); - return (fence->seqno > parent->value) ? false : true; + return !__fence_is_later(fence->seqno, parent->value); } static bool timeline_fence_enable_signaling(struct fence *fence)