IB/mlx4: Don't return errors from poll_cq

Remove returning errors from mlx4 poll_cq function. Polling CQ
operation in kernel never fails by Mellanox HCA architecture and
respective driver design.

Signed-off-by: Leon Romanovsky <leonro@mellanox.com>
Signed-off-by: Doug Ledford <dledford@redhat.com>
This commit is contained in:
Leon Romanovsky 2016-08-28 10:58:33 +03:00 • committed by Doug Ledford
commit 20697434b6