---

yaml
---
r: 327996
b: refs/heads/master
c: 828de4f
h: refs/heads/master
v: v3

[refs]

@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 3fd91fb35847a8b3287f00970efc069de16df8b4
+refs/heads/master: 828de4f6bf6e785f7b5497f8f7cfd4d4fbcfdb7e

trunk/net/core/dev.c

@@ -959,18 +959,30 @@ int dev_alloc_name(struct net_device *dev, const char *name)
 }
 EXPORT_SYMBOL(dev_alloc_name);
 
-static int dev_get_valid_name(struct net_device *dev, const char *name)
+static int dev_alloc_name_ns(struct net *net,
+			     struct net_device *dev,
+			     const char *name)
 {
-	struct net *net;
+	char buf[IFNAMSIZ];
+	int ret;
 
-	BUG_ON(!dev_net(dev));
-	net = dev_net(dev);
+	ret = __dev_alloc_name(net, name, buf);
+	if (ret >= 0)
+		strlcpy(dev->name, buf, IFNAMSIZ);
+	return ret;
+}
+
+static int dev_get_valid_name(struct net *net,
+			      struct net_device *dev,
+			      const char *name)
+{
+	BUG_ON(!net);
 
 	if (!dev_valid_name(name))
 		return -EINVAL;
 
 	if (strchr(name, '%'))
-		return dev_alloc_name(dev, name);
+		return dev_alloc_name_ns(net, dev, name);
 	else if (__dev_get_by_name(net, name))
 		return -EEXIST;
 	else if (dev->name != name)
@@ -1006,7 +1018,7 @@ int dev_change_name(struct net_device *dev, const char *newname)
 
 	memcpy(oldname, dev->name, IFNAMSIZ);
 
-	err = dev_get_valid_name(dev, newname);
+	err = dev_get_valid_name(net, dev, newname);
 	if (err < 0)
 		return err;
 
@@ -5589,7 +5601,7 @@ int register_netdevice(struct net_device *dev)
 
 	dev->iflink = -1;
 
-	ret = dev_get_valid_name(dev, dev->name);
+	ret = dev_get_valid_name(net, dev, dev->name);
 	if (ret < 0)
 		goto out;
 
@@ -6233,7 +6245,7 @@ int dev_change_net_namespace(struct net_device *dev, struct net *net, const char
 		/* We get here if we can't use the current device name */
 		if (!pat)
 			goto out;
-		if (dev_get_valid_name(dev, pat) < 0)
+		if (dev_get_valid_name(net, dev, pat) < 0)
 			goto out;
 	}