[PATCH] drm/syncobj: return meaningful value to user space

[Chris Wilson]

Quoting Chunming Zhou (2019-07-18 12:13:39)
> if WAIT_FOR_SUBMIT isn't set and in the meanwhile no underlying fence on syncobj,
> then return non-block error code to user sapce.

Block device required?

I presume you tried the EWOULDBLOCK which would be implied by your
sentence and found that would be an interesting experience.
-Chris