
The "priv->phy_mode" is an enum and in this context GCC will treat it
as an unsigned int so it can never be less than zero.
Fixes: 492caffa8a
("net: ethernet: nixge: Add support for National Instruments XGE netdev")
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: David S. Miller <davem@davemloft.net>