ec37a48d1d
Some cards don't support changing vlan offloading settings. Make Ethtool set_flags return -EINVAL in those cases. Reported-by: Ben Hutchings <bhutchings@solarflare.com> Signed-off-by: Jesse Gross <jesse@nicira.com> Signed-off-by: David S. Miller <davem@davemloft.net>