[PATCH net-next 9/9] net: dsa: require .support_eee() method to be implemented

[Russell King (Oracle)]

Now that we have updated all drivers, switch DSA to require an
implementation of the .support_eee() method for EEE to be usable,
rather than defaulting to being permissive when not implemented.

Signed-off-by: Russell King (Oracle) <rmk+kernel at armlinux.org.uk>
---
 net/dsa/user.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/net/dsa/user.c b/net/dsa/user.c
index b54f61605a57..4239083c18bf 100644
--- a/net/dsa/user.c
+++ b/net/dsa/user.c
@@ -1229,7 +1229,7 @@ static int dsa_user_set_eee(struct net_device *dev, struct ethtool_keee *e)
 	int ret;
 
 	/* Check whether the switch supports EEE */
-	if (ds->ops->support_eee && !ds->ops->support_eee(ds, dp->index))
+	if (!ds->ops->support_eee || !ds->ops->support_eee(ds, dp->index))
 		return -EOPNOTSUPP;
 
 	/* Port's PHY and MAC both need to be EEE capable */
@@ -1253,7 +1253,7 @@ static int dsa_user_get_eee(struct net_device *dev, struct ethtool_keee *e)
 	int ret;
 
 	/* Check whether the switch supports EEE */
-	if (ds->ops->support_eee && !ds->ops->support_eee(ds, dp->index))
+	if (!ds->ops->support_eee || !ds->ops->support_eee(ds, dp->index))
 		return -EOPNOTSUPP;
 
 	/* Port's PHY and MAC both need to be EEE capable */
-- 
2.30.2