Phonet: handle rtnetlink registration failure

[deliverable/linux.git] / net / phonet / pn_netlink.c

diff --git a/net/phonet/pn_netlink.c b/net/phonet/pn_netlink.c
index 242fe8f8c322d5fb048d737a46d36b99797f47aa..918a4f07f24a1786ede1b1eab630ef054857371e 100644 (file)
--- a/net/phonet/pn_netlink.c
+++ b/net/phonet/pn_netlink.c
@@ -160,9 +160,14 @@ out:
        return skb->len;
 }
 
-void __init phonet_netlink_register(void)
+int __init phonet_netlink_register(void)
 {
-       rtnl_register(PF_PHONET, RTM_NEWADDR, addr_doit, NULL);
-       rtnl_register(PF_PHONET, RTM_DELADDR, addr_doit, NULL);
-       rtnl_register(PF_PHONET, RTM_GETADDR, NULL, getaddr_dumpit);
+       int err = __rtnl_register(PF_PHONET, RTM_NEWADDR, addr_doit, NULL);
+       if (err)
+               return err;
+
+       /* Further __rtnl_register() cannot fail */
+       __rtnl_register(PF_PHONET, RTM_DELADDR, addr_doit, NULL);
+       __rtnl_register(PF_PHONET, RTM_GETADDR, NULL, getaddr_dumpit);
+       return 0;
 }