ethtool: Fix incorrect success return value on RX network flow hashing error

In case of an error on RX network flow hashing configuration, return an
error in addition to the error message.

Fixes: 1bd87128467b ("Add support for rx flow hash configuration in a network device")
Reviewed-by: Dragos Tatulea <dtatulea@nvidia.com>
Signed-off-by: Gal Pressman <gal@nvidia.com>
Reviewed-by: Kalesh AP <kalesh-anakkur.purayil@broadcom.com>
1 file changed