1 files changed, 27 insertions, 5 deletions

diff --git a/net/bridge/br_sysfs_if.c b/net/bridge/br_sysfs_if.c
index 0b9916489d6b..fd5799c9bc8d 100644
--- a/net/bridge/br_sysfs_if.c
+++ b/net/bridge/br_sysfs_if.c
@@ -246,7 +246,7 @@ const struct sysfs_ops brport_sysfs_ops = {
 /*
  * Add sysfs entries to ethernet device added to a bridge.
  * Creates a brport subdirectory with bridge attributes.
- * Puts symlink in bridge's brport subdirectory
+ * Puts symlink in bridge's brif subdirectory
  */
 int br_sysfs_addif(struct net_bridge_port *p)
 {
@@ -257,15 +257,37 @@ int br_sysfs_addif(struct net_bridge_port *p)
         err = sysfs_create_link(&p->kobj, &br->dev->dev.kobj,
                                 SYSFS_BRIDGE_PORT_LINK);
         if (err)
-                goto out2;
+                return err;
 
         for (a = brport_attrs; *a; ++a) {
                 err = sysfs_create_file(&p->kobj, &((*a)->attr));
                 if (err)
-                        goto out2;
+                        return err;
         }
 
-        err = sysfs_create_link(br->ifobj, &p->kobj, p->dev->name);
-out2:
+        strlcpy(p->sysfs_name, p->dev->name, IFNAMSIZ);
+        return sysfs_create_link(br->ifobj, &p->kobj, p->sysfs_name);
+}
+
+/* Rename bridge's brif symlink */
+int br_sysfs_renameif(struct net_bridge_port *p)
+{
+        struct net_bridge *br = p->br;
+        int err;
+
+        /* If a rename fails, the rollback will cause another
+         * rename call with the existing name.
+         */
+        if (!strncmp(p->sysfs_name, p->dev->name, IFNAMSIZ))
+                return 0;
+
+        err = sysfs_rename_link(br->ifobj, &p->kobj,
+                                p->sysfs_name, p->dev->name);
+        if (err)
+                netdev_notice(br->dev, "unable to rename link %s to %s",
+                              p->sysfs_name, p->dev->name);
+        else
+                strlcpy(p->sysfs_name, p->dev->name, IFNAMSIZ);
+
         return err;
 }