[ARP]: Minus one level of indentation in arp_req_set

[net-next-2.6.git] / net / ipv4 / arp.c

diff --git a/net/ipv4/arp.c b/net/ipv4/arp.c
index 08174a2aa8789ad8b3adb49b9f1d0fc1ac6edd06..04e0ecdd07be1bd5fe2eb1c9df810961366a0b95 100644 (file)
--- a/net/ipv4/arp.c
+++ b/net/ipv4/arp.c
@@ -211,7 +211,7 @@ int arp_mc_map(__be32 addr, u8 *haddr, struct net_device *dev, int dir)
                ip_tr_mc_map(addr, haddr);
                return 0;
        case ARPHRD_INFINIBAND:
-               ip_ib_mc_map(addr, haddr);
+               ip_ib_mc_map(addr, dev->broadcast, haddr);
                return 0;
        default:
                if (dir) {
@@ -952,37 +952,45 @@ out_of_mem:
  *     Set (create) an ARP cache entry.
  */
 
+static int arp_req_set_public(struct arpreq *r, struct net_device *dev)
+{
+       __be32 ip = ((struct sockaddr_in *)&r->arp_pa)->sin_addr.s_addr;
+       __be32 mask = ((struct sockaddr_in *)&r->arp_netmask)->sin_addr.s_addr;
+
+       if (mask && mask != htonl(0xFFFFFFFF))
+               return -EINVAL;
+       if (!dev && (r->arp_flags & ATF_COM)) {
+               dev = dev_getbyhwaddr(&init_net, r->arp_ha.sa_family,
+                               r->arp_ha.sa_data);
+               if (!dev)
+                       return -ENODEV;
+       }
+       if (mask) {
+               if (pneigh_lookup(&arp_tbl, &ip, dev, 1) == NULL)
+                       return -ENOBUFS;
+               return 0;
+       }
+       if (dev == NULL) {
+               IPV4_DEVCONF_ALL(PROXY_ARP) = 1;
+               return 0;
+       }
+       if (__in_dev_get_rtnl(dev)) {
+               IN_DEV_CONF_SET(__in_dev_get_rtnl(dev), PROXY_ARP, 1);
+               return 0;
+       }
+       return -ENXIO;
+}
+
 static int arp_req_set(struct arpreq *r, struct net_device * dev)
 {
-       __be32 ip = ((struct sockaddr_in *) &r->arp_pa)->sin_addr.s_addr;
+       __be32 ip;
        struct neighbour *neigh;
        int err;
 
-       if (r->arp_flags&ATF_PUBL) {
-               __be32 mask = ((struct sockaddr_in *) &r->arp_netmask)->sin_addr.s_addr;
-               if (mask && mask != htonl(0xFFFFFFFF))
-                       return -EINVAL;
-               if (!dev && (r->arp_flags & ATF_COM)) {
-                       dev = dev_getbyhwaddr(&init_net, r->arp_ha.sa_family, r->arp_ha.sa_data);
-                       if (!dev)
-                               return -ENODEV;
-               }
-               if (mask) {
-                       if (pneigh_lookup(&arp_tbl, &ip, dev, 1) == NULL)
-                               return -ENOBUFS;
-                       return 0;
-               }
-               if (dev == NULL) {
-                       IPV4_DEVCONF_ALL(PROXY_ARP) = 1;
-                       return 0;
-               }
-               if (__in_dev_get_rtnl(dev)) {
-                       IN_DEV_CONF_SET(__in_dev_get_rtnl(dev), PROXY_ARP, 1);
-                       return 0;
-               }
-               return -ENXIO;
-       }
+       if (r->arp_flags & ATF_PUBL)
+               return arp_req_set_public(r, dev);
 
+       ip = ((struct sockaddr_in *)&r->arp_pa)->sin_addr.s_addr;
        if (r->arp_flags & ATF_PERM)
                r->arp_flags |= ATF_COM;
        if (dev == NULL) {