X-Git-Url: https://pintos-os.org/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=datapath%2Fdp_notify.c;h=f22d8b342f1b1b3d88d19132a2ad88d83feaec56;hb=449776d81d7b03d9b5f552b402c8a619323e8aa2;hp=56d5c3c987de3c5992f6823e1ecfb5db52683684;hpb=064af42167bf4fc9aaea2702d80ce08074b889c0;p=openvswitch

diff --git a/datapath/dp_notify.c b/datapath/dp_notify.c
index 56d5c3c9..f22d8b34 100644
--- a/datapath/dp_notify.c
+++ b/datapath/dp_notify.c
@@ -1,6 +1,9 @@
 /*
  * Distributed under the terms of the GNU GPL version 2.
  * Copyright (c) 2007, 2008, 2009 Nicira Networks.
+ *
+ * Significant portions of this file may be copied from parts of the Linux
+ * kernel, by Linus Torvalds and others.
  */
 
 /* Handle changes to managed devices */
@@ -14,12 +17,29 @@ static int dp_device_event(struct notifier_block *unused, unsigned long event,
 		void *ptr) 
 {
 	struct net_device *dev = ptr;
-	struct net_bridge_port *p = dev->br_port;
-	if (event == NETDEV_UNREGISTER && p) {
-		struct datapath *dp = p->dp;
+	struct net_bridge_port *p;
+	struct datapath *dp;
+
+	p = dev->br_port;
+	if (!p)
+		return NOTIFY_DONE;
+	dp = p->dp;
+
+	switch (event) {
+	case NETDEV_UNREGISTER:
 		mutex_lock(&dp->mutex);
-		dp_del_port(p, NULL);
+		dp_del_port(p);
 		mutex_unlock(&dp->mutex);
+		break;
+
+	case NETDEV_CHANGENAME:
+		if (p->port_no != ODPP_LOCAL) {
+			mutex_lock(&dp->mutex);
+			dp_sysfs_del_if(p);
+			dp_sysfs_add_if(p);
+			mutex_unlock(&dp->mutex);
+		}
+		break;
 	}
 	return NOTIFY_DONE;
 }