bnxt_en: VF/NPAR should return -EOPNOTSUPP for unsupported ethtool ops.

Returning 0 for doing nothing is confusing to the user.

Signed-off-by: Michael Chan <michael.chan@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Michael Chan 2016-07-01 18:46:19 -04:00 • committed by David S. Miller
commit 75362a3fd4