tree 7a0c536e3fc4da92da35d515b1fa071460f63758
parent 8ac718cc0e36ef4046e2d6349727fecddc13ab9c
author Daniil Tatianin <d-tatianin@yandex-team.ru> 1672055303 +0300
committer David S. Miller <davem@davemloft.net> 1672228524 +0000

net/ethtool/ioctl: return -EOPNOTSUPP if we have no phy stats

It's not very useful to copy back an empty ethtool_stats struct and
return 0 if we didn't actually have any stats. This also allows for
further simplification of this function in the future commits.

Signed-off-by: Daniil Tatianin <d-tatianin@yandex-team.ru>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: David S. Miller <davem@davemloft.net>