diff --git a/include/rdma/ib_addr.h b/include/rdma/ib_addr.h
index ae8c68f..639a449 100644
--- a/include/rdma/ib_addr.h
+++ b/include/rdma/ib_addr.h
@@ -218,8 +218,12 @@
 {
 	struct ethtool_cmd cmd;
 	u32 speed;
+	int err;
 
-	if (dev_ethtool_get_settings(dev, &cmd))
+	rtnl_lock();
+	err = __ethtool_get_settings(dev, &cmd);
+	rtnl_unlock();
+	if (err)
 		return IB_RATE_PORT_CURRENT;
 
 	speed = ethtool_cmd_speed(&cmd);