[IPv4] route: Convert route notifications to use rtnl_notify()

Signed-off-by: Thomas Graf <tgraf@suug.ch>
Signed-off-by: David S. Miller <davem@davemloft.net>

diff --git a/net/ipv4/fib_semantics.c b/net/ipv4/fib_semantics.c
index ab753df20a39a0cae388b6cfd1e4f79c2d03fb05..5dfdad5cbcd43ae66ed97badbc58fa7db5c995e6 100644 (file)
--- a/net/ipv4/fib_semantics.c
+++ b/net/ipv4/fib_semantics.c
@@ -33,7 +33,6 @@
 #include <linux/if_arp.h>
 #include <linux/proc_fs.h>
 #include <linux/skbuff.h>
-#include <linux/netlink.h>
 #include <linux/init.h>
 
 #include <net/arp.h>
@@ -44,6 +43,7 @@
 #include <net/sock.h>
 #include <net/ip_fib.h>
 #include <net/ip_mp_alg.h>
+#include <net/netlink.h>
 
 #include "fib_lookup.h"
 
@@ -278,25 +278,25 @@ void rtmsg_fib(int event, u32 key, struct fib_alias *fa,
 {
        struct sk_buff *skb;
        u32 pid = req ? req->pid : n->nlmsg_pid;
-       int size = NLMSG_SPACE(sizeof(struct rtmsg)+256);
+       int payload = sizeof(struct rtmsg) + 256;
+       int err = -ENOBUFS;
 
-       skb = alloc_skb(size, GFP_KERNEL);
-       if (!skb)
-               return;
+       skb = nlmsg_new(nlmsg_total_size(payload), GFP_KERNEL);
+       if (skb == NULL)
+               goto errout;
 
-       if (fib_dump_info(skb, pid, n->nlmsg_seq, event, tb_id,
-                         fa->fa_type, fa->fa_scope, &key, z,
-                         fa->fa_tos,
-                         fa->fa_info, 0) < 0) {
+       err = fib_dump_info(skb, pid, n->nlmsg_seq, event, tb_id,
+                           fa->fa_type, fa->fa_scope, &key, z, fa->fa_tos,
+                           fa->fa_info, 0);
+       if (err < 0) {
                kfree_skb(skb);
-               return;
+               goto errout;
        }
-       NETLINK_CB(skb).dst_group = RTNLGRP_IPV4_ROUTE;
-       if (n->nlmsg_flags&NLM_F_ECHO)
-               atomic_inc(&skb->users);
-       netlink_broadcast(rtnl, skb, pid, RTNLGRP_IPV4_ROUTE, GFP_KERNEL);
-       if (n->nlmsg_flags&NLM_F_ECHO)
-               netlink_unicast(rtnl, skb, pid, MSG_DONTWAIT);
+
+       err = rtnl_notify(skb, pid, RTNLGRP_IPV4_ROUTE, n, GFP_KERNEL);
+errout:
+       if (err < 0)
+               rtnl_set_sk_err(RTNLGRP_IPV4_ROUTE, err);
 }
 
 /* Return the first fib alias matching TOS with