[DECNET]: Convert DECnet 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/decnet/dn_dev.c b/net/decnet/dn_dev.c
index 88ea7a1..01861fe 100644
--- a/net/decnet/dn_dev.c
+++ b/net/decnet/dn_dev.c
@@ -746,20 +746,23 @@
 static void rtmsg_ifa(int event, struct dn_ifaddr *ifa)
 {
 	struct sk_buff *skb;
-	int size = NLMSG_SPACE(sizeof(struct ifaddrmsg)+128);
+	int payload = sizeof(struct ifaddrmsg) + 128;
+	int err = -ENOBUFS;
 
-	skb = alloc_skb(size, GFP_KERNEL);
-	if (!skb) {
-		netlink_set_err(rtnl, 0, RTNLGRP_DECnet_IFADDR, ENOBUFS);
-		return;
-	}
-	if (dn_dev_fill_ifaddr(skb, ifa, 0, 0, event, 0) < 0) {
+	skb = alloc_skb(nlmsg_total_size(payload), GFP_KERNEL);
+	if (skb == NULL)
+		goto errout;
+
+	err = dn_dev_fill_ifaddr(skb, ifa, 0, 0, event, 0);
+	if (err < 0) {
 		kfree_skb(skb);
-		netlink_set_err(rtnl, 0, RTNLGRP_DECnet_IFADDR, EINVAL);
-		return;
+		goto errout;
 	}
-	NETLINK_CB(skb).dst_group = RTNLGRP_DECnet_IFADDR;
-	netlink_broadcast(rtnl, skb, 0, RTNLGRP_DECnet_IFADDR, GFP_KERNEL);
+
+	err = rtnl_notify(skb, 0, RTNLGRP_DECnet_IFADDR, NULL, GFP_KERNEL);
+errout:
+	if (err < 0)
+		rtnl_set_sk_err(RTNLGRP_DECnet_IFADDR, err);
 }
 
 static int dn_dev_dump_ifaddr(struct sk_buff *skb, struct netlink_callback *cb)