[PATCH] userfaultfd: mcopy_atomic: update cases returning -ENOENT

[Mike Rapoport]

Hello Andrew,

The patch below is an incremental fixup for concerns Andrea raised at [1].
Please let me know if you prefer me to update the original patch and
resend.

[1] http://www.spinics.net/lists/linux-mm/msg121267.html

--
Sincerely yours,
Mike.