bonding: Fix check for ethtool get_link operation support

Since commit 2c60db037034 ('net: provide a default dev->ethtool_ops')
all devices have a non-null ethtool_ops.  Test only
dev->ethtool_ops->get_link in both places where we care.

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

diff --git a/drivers/net/bonding/bond_main.c b/drivers/net/bonding/bond_main.c
index c8bff3e83a5916caa11e14ff4a8a6b84f14ba13a..800a8977d0adebe14350795a6027df470dbb1355 100644 (file)
--- a/drivers/net/bonding/bond_main.c
+++ b/drivers/net/bonding/bond_main.c
@@ -615,15 +615,9 @@ static int bond_check_dev_link(struct bonding *bond,
                return netif_carrier_ok(slave_dev) ? BMSR_LSTATUS : 0;
 
        /* Try to get link status using Ethtool first. */
-       if (slave_dev->ethtool_ops) {
-               if (slave_dev->ethtool_ops->get_link) {
-                       u32 link;
-
-                       link = slave_dev->ethtool_ops->get_link(slave_dev);
-
-                       return link ? BMSR_LSTATUS : 0;
-               }
-       }
+       if (slave_dev->ethtool_ops->get_link)
+               return slave_dev->ethtool_ops->get_link(slave_dev) ?
+                       BMSR_LSTATUS : 0;
 
        /* Ethtool can't be used, fallback to MII ioctls. */
        ioctl = slave_ops->ndo_do_ioctl;
@@ -1510,8 +1504,9 @@ int bond_enslave(struct net_device *bond_dev, struct net_device *slave_dev)
        int link_reporting;
        int res = 0;
 
-       if (!bond->params.use_carrier && slave_dev->ethtool_ops == NULL &&
-               slave_ops->ndo_do_ioctl == NULL) {
+       if (!bond->params.use_carrier &&
+           slave_dev->ethtool_ops->get_link == NULL &&
+           slave_ops->ndo_do_ioctl == NULL) {
                pr_warning("%s: Warning: no link monitoring support for %s\n",
                           bond_dev->name, slave_dev->name);
        }