netdev: Make ethtool_ops::set_flags() return -EINVAL for unsupported flags

The documented error code for attempts to set unsupported flags (or
to clear flags that cannot be disabled) is EINVAL, not EOPNOTSUPP.

Signed-off-by: Ben Hutchings <bhutchings@solarflare.com>
Acked-by: Eilon Greenstein <eilong@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

1 files changed, 1 insertions, 1 deletions

diff --git a/drivers/net/qlcnic/qlcnic_ethtool.c b/drivers/net/qlcnic/qlcnic_ethtool.c
index b9d5acbaf540..f8e39e4cfe0f 100644
--- a/drivers/net/qlcnic/qlcnic_ethtool.c
+++ b/drivers/net/qlcnic/qlcnic_ethtool.c
@@ -984,7 +984,7 @@ static int qlcnic_set_flags(struct net_device *netdev, u32 data)
         int hw_lro;
 
         if (data & ~ETH_FLAG_LRO)
-                return -EOPNOTSUPP;
+                return -EINVAL;
 
         if (!(adapter->capabilities & QLCNIC_FW_CAPABILITY_HW_LRO))
                 return -EINVAL;