diff options
Diffstat (limited to 'net/core/dev.c')
| -rw-r--r-- | net/core/dev.c | 16 |
1 files changed, 10 insertions, 6 deletions
diff --git a/net/core/dev.c b/net/core/dev.c index 02a254cd369c..0540421da57b 100644 --- a/net/core/dev.c +++ b/net/core/dev.c @@ -792,6 +792,8 @@ int dev_alloc_name(struct net_device *dev, const char *name) */ int dev_change_name(struct net_device *dev, char *newname) { + int err = 0; + ASSERT_RTNL(); if (dev->flags & IFF_UP) @@ -801,7 +803,7 @@ int dev_change_name(struct net_device *dev, char *newname) return -EINVAL; if (strchr(newname, '%')) { - int err = dev_alloc_name(dev, newname); + err = dev_alloc_name(dev, newname); if (err < 0) return err; strcpy(newname, dev->name); @@ -811,12 +813,14 @@ int dev_change_name(struct net_device *dev, char *newname) else strlcpy(dev->name, newname, IFNAMSIZ); - hlist_del(&dev->name_hlist); - hlist_add_head(&dev->name_hlist, dev_name_hash(dev->name)); + err = class_device_rename(&dev->class_dev, dev->name); + if (!err) { + hlist_del(&dev->name_hlist); + hlist_add_head(&dev->name_hlist, dev_name_hash(dev->name)); + notifier_call_chain(&netdev_chain, NETDEV_CHANGENAME, dev); + } - class_device_rename(&dev->class_dev, dev->name); - notifier_call_chain(&netdev_chain, NETDEV_CHANGENAME, dev); - return 0; + return err; } /** |