bonding: drop read_lock in bond_fix_features

We're protected by RTNL so nothing can happen and we can safely drop the
read bond->lock.

Signed-off-by: Nikolay Aleksandrov <nikolay@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

1 files changed, 3 insertions, 7 deletions

diff --git a/drivers/net/bonding/bond_main.c b/drivers/net/bonding/bond_main.c
index 486e04159bc3..c5ebdc57948f 100644
--- a/drivers/net/bonding/bond_main.c
+++ b/drivers/net/bonding/bond_main.c
@@ -1084,18 +1084,16 @@ static void bond_netpoll_cleanup(struct net_device *bond_dev)
 /*---------------------------------- IOCTL ----------------------------------*/
 
 static netdev_features_t bond_fix_features(struct net_device *dev,
-        netdev_features_t features)
+                                           netdev_features_t features)
 {
-        struct slave *slave;
         struct bonding *bond = netdev_priv(dev);
         netdev_features_t mask;
-
-        read_lock(&bond->lock);
+        struct slave *slave;
 
         if (list_empty(&bond->slave_list)) {
                 /* Disable adding VLANs to empty bond. But why? --mq */
                 features |= NETIF_F_VLAN_CHALLENGED;
-                goto out;
+                return features;
         }
 
         mask = features;
@@ -1109,8 +1107,6 @@ static netdev_features_t bond_fix_features(struct net_device *dev,
         }
         features = netdev_add_tso_features(features, mask);
 
-out:
-        read_unlock(&bond->lock);
         return features;
 }