1 files changed, 6 insertions, 11 deletions

diff --git a/drivers/net/xen-netback/xenbus.c b/drivers/net/xen-netback/xenbus.c
index d24b7a7993aa..c1ba4294f364 100644
--- a/drivers/net/xen-netback/xenbus.c
+++ b/drivers/net/xen-netback/xenbus.c
@@ -675,7 +675,6 @@ static void hotplug_status_changed(struct xenbus_watch *watch,
 
 		/* Not interested in this watch anymore. */
 		unregister_hotplug_status_watch(be);
-		xenbus_rm(XBT_NIL, be->dev->nodename, "hotplug-status");
 	}
 	kfree(str);
 }
@@ -824,15 +823,11 @@ static void connect(struct backend_info *be)
 	xenvif_carrier_on(be->vif);
 
 	unregister_hotplug_status_watch(be);
-	if (xenbus_exists(XBT_NIL, dev->nodename, "hotplug-status")) {
-		err = xenbus_watch_pathfmt(dev, &be->hotplug_status_watch,
-					   NULL, hotplug_status_changed,
-					   "%s/%s", dev->nodename,
-					   "hotplug-status");
-		if (err)
-			goto err;
+	err = xenbus_watch_pathfmt(dev, &be->hotplug_status_watch, NULL,
+				   hotplug_status_changed,
+				   "%s/%s", dev->nodename, "hotplug-status");
+	if (!err)
 		be->have_hotplug_status_watch = 1;
-	}
 
 	netif_tx_wake_all_queues(be->vif->dev);
 
@@ -870,13 +865,12 @@ static int connect_data_rings(struct backend_info *be,
 	 * queue-N.
 	 */
 	if (num_queues == 1) {
-		xspath = kzalloc(strlen(dev->otherend) + 1, GFP_KERNEL);
+		xspath = kstrdup(dev->otherend, GFP_KERNEL);
 		if (!xspath) {
 			xenbus_dev_fatal(dev, -ENOMEM,
 					 "reading ring references");
 			return -ENOMEM;
 		}
-		strcpy(xspath, dev->otherend);
 	} else {
 		xspathsize = strlen(dev->otherend) + xenstore_path_ext_size;
 		xspath = kzalloc(xspathsize, GFP_KERNEL);
@@ -988,6 +982,7 @@ static int netback_remove(struct xenbus_device *dev)
 	struct backend_info *be = dev_get_drvdata(&dev->dev);
 
 	unregister_hotplug_status_watch(be);
+	xenbus_rm(XBT_NIL, dev->nodename, "hotplug-status");
 	if (be->vif) {
 		kobject_uevent(&dev->dev.kobj, KOBJ_OFFLINE);
 		backend_disconnect(be);