--- ./drivers/net/bonding/bond_main.c	2006-02-26 22:49:55.000000000 +0100
+++ ./drivers/net/bonding/bond_main.c	2006-02-27 15:07:39.000000000 +0100
@@ -2366,7 +2366,7 @@
 
 static int bond_ethtool_ioctl(struct net_device *bond_dev, struct ifreq *ifr)
 {
-	struct ethtool_drvinfo info;
+	struct bonding *bond = bond_dev->priv;
 	void *addr = ifr->ifr_data;
 	uint32_t cmd;
 
@@ -2375,7 +2375,8 @@
 	}
 
 	switch (cmd) {
-	case ETHTOOL_GDRVINFO:
+	case ETHTOOL_GDRVINFO: {
+		struct ethtool_drvinfo info = {ETHTOOL_GDRVINFO};
 		if (copy_from_user(&info, addr, sizeof(info))) {
 			return -EFAULT;
 		}
@@ -2410,6 +2411,21 @@
 		}
 
 		return 0;
+	}
+	case ETHTOOL_GLINK: {
+		struct slave *curr;
+		struct ethtool_value etool = {ETHTOOL_GLINK};
+
+		read_lock(&bond->curr_slave_lock);
+		curr = bond->curr_active_slave;
+		read_unlock(&bond->curr_slave_lock);
+		etool.data = (curr != NULL);
+
+		if (copy_to_user(addr, &etool, sizeof(etool))) {
+			return -EFAULT;
+		}
+		return 0;
+	}
 	default:
 		return -EOPNOTSUPP;
 	}