[PATCH 2/2] dma-buf/fence: don't wait when specified timeout is zero

[Maarten Lankhorst]

Op 21-01-15 om 11:35 schreef Jammy Zhou:
> When specified timeout is zero for fence_wait_timeout, just check if the fence
> is signaled or not without wait.
>
> Signed-off-by: Jammy Zhou <Jammy.Zhou at amd.com>
>
Reviewed-By: Maarten Lankhorst <maarten.lankhorst at canonical.com>