ipv4: Make output route lookup return rtable directly.
[pandora-kernel.git] / net / ipv4 / arp.c
index 7927589..fa9988d 100644 (file)
@@ -440,7 +440,8 @@ static int arp_filter(__be32 sip, __be32 tip, struct net_device *dev)
        /*unsigned long now; */
        struct net *net = dev_net(dev);
 
-       if (ip_route_output_key(net, &rt, &fl) < 0)
+       rt = ip_route_output_key(net, &fl);
+       if (IS_ERR(rt))
                return 1;
        if (rt->dst.dev != dev) {
                NET_INC_STATS_BH(net, LINUX_MIB_ARPFILTER);
@@ -1063,10 +1064,10 @@ static int arp_req_set(struct net *net, struct arpreq *r,
        if (dev == NULL) {
                struct flowi fl = { .fl4_dst = ip,
                                    .fl4_tos = RTO_ONLINK };
-               struct rtable *rt;
-               err = ip_route_output_key(net, &rt, &fl);
-               if (err != 0)
-                       return err;
+               struct rtable *rt = ip_route_output_key(net, &fl);
+
+               if (IS_ERR(rt))
+                       return PTR_ERR(rt);
                dev = rt->dst.dev;
                ip_rt_put(rt);
                if (!dev)
@@ -1177,7 +1178,6 @@ static int arp_req_delete_public(struct net *net, struct arpreq *r,
 static int arp_req_delete(struct net *net, struct arpreq *r,
                          struct net_device *dev)
 {
-       int err;
        __be32 ip;
 
        if (r->arp_flags & ATF_PUBL)
@@ -1187,10 +1187,9 @@ static int arp_req_delete(struct net *net, struct arpreq *r,
        if (dev == NULL) {
                struct flowi fl = { .fl4_dst = ip,
                                    .fl4_tos = RTO_ONLINK };
-               struct rtable *rt;
-               err = ip_route_output_key(net, &rt, &fl);
-               if (err != 0)
-                       return err;
+               struct rtable *rt = ip_route_output_key(net, &fl);
+               if (IS_ERR(rt))
+                       return PTR_ERR(rt);
                dev = rt->dst.dev;
                ip_rt_put(rt);
                if (!dev)