Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/sparc-2.6

[linux-2.6-omap-h63xx.git] / net / ipv4 / fib_frontend.c

diff --git a/net/ipv4/fib_frontend.c b/net/ipv4/fib_frontend.c
index 78b514ba1414a8ebd22b0b0a423110b61b6326ce..97abf934d1852931d36a18f8027d1597fa66e135 100644 (file)
--- a/net/ipv4/fib_frontend.c
+++ b/net/ipv4/fib_frontend.c
@@ -59,6 +59,13 @@ struct fib_table *ip_fib_main_table;
 #define FIB_TABLE_HASHSZ 1
 static struct hlist_head fib_table_hash[FIB_TABLE_HASHSZ];
 
+static void __init fib4_rules_init(void)
+{
+       ip_fib_local_table = fib_hash_init(RT_TABLE_LOCAL);
+       hlist_add_head_rcu(&ip_fib_local_table->tb_hlist, &fib_table_hash[0]);
+       ip_fib_main_table  = fib_hash_init(RT_TABLE_MAIN);
+       hlist_add_head_rcu(&ip_fib_main_table->tb_hlist, &fib_table_hash[0]);
+}
 #else
 
 #define FIB_TABLE_HASHSZ 256
@@ -128,13 +135,14 @@ struct net_device * ip_dev_find(__be32 addr)
        struct flowi fl = { .nl_u = { .ip4_u = { .daddr = addr } } };
        struct fib_result res;
        struct net_device *dev = NULL;
+       struct fib_table *local_table;
 
 #ifdef CONFIG_IP_MULTIPLE_TABLES
        res.r = NULL;
 #endif
 
-       if (!ip_fib_local_table ||
-           ip_fib_local_table->tb_lookup(ip_fib_local_table, &fl, &res))
+       local_table = fib_get_table(RT_TABLE_LOCAL);
+       if (!local_table || local_table->tb_lookup(local_table, &fl, &res))
                return NULL;
        if (res.type != RTN_LOCAL)
                goto out;
@@ -152,6 +160,7 @@ unsigned inet_addr_type(__be32 addr)
        struct flowi            fl = { .nl_u = { .ip4_u = { .daddr = addr } } };
        struct fib_result       res;
        unsigned ret = RTN_BROADCAST;
+       struct fib_table *local_table;
 
        if (ZERONET(addr) || BADCLASS(addr))
                return RTN_BROADCAST;
@@ -162,10 +171,10 @@ unsigned inet_addr_type(__be32 addr)
        res.r = NULL;
 #endif
 
-       if (ip_fib_local_table) {
+       local_table = fib_get_table(RT_TABLE_LOCAL);
+       if (local_table) {
                ret = RTN_UNICAST;
-               if (!ip_fib_local_table->tb_lookup(ip_fib_local_table,
-                                                  &fl, &res)) {
+               if (!local_table->tb_lookup(local_table, &fl, &res)) {
                        ret = res.type;
                        fib_res_put(&res);
                }
@@ -795,10 +804,13 @@ static void nl_fib_input(struct sk_buff *skb)
 
        nlh = nlmsg_hdr(skb);
        if (skb->len < NLMSG_SPACE(0) || skb->len < nlh->nlmsg_len ||
-           nlh->nlmsg_len < NLMSG_LENGTH(sizeof(*frn))) {
-               kfree_skb(skb);
+           nlh->nlmsg_len < NLMSG_LENGTH(sizeof(*frn)))
                return;
-       }
+
+       skb = skb_clone(skb, GFP_KERNEL);
+       if (skb == NULL)
+               return;
+       nlh = nlmsg_hdr(skb);
 
        frn = (struct fib_result_nl *) NLMSG_DATA(nlh);
        tb = fib_get_table(frn->tb_id_in);
@@ -903,14 +915,8 @@ void __init ip_fib_init(void)
 
        for (i = 0; i < FIB_TABLE_HASHSZ; i++)
                INIT_HLIST_HEAD(&fib_table_hash[i]);
-#ifndef CONFIG_IP_MULTIPLE_TABLES
-       ip_fib_local_table = fib_hash_init(RT_TABLE_LOCAL);
-       hlist_add_head_rcu(&ip_fib_local_table->tb_hlist, &fib_table_hash[0]);
-       ip_fib_main_table  = fib_hash_init(RT_TABLE_MAIN);
-       hlist_add_head_rcu(&ip_fib_main_table->tb_hlist, &fib_table_hash[0]);
-#else
+
        fib4_rules_init();
-#endif
 
        register_netdevice_notifier(&fib_netdev_notifier);
        register_inetaddr_notifier(&fib_inetaddr_notifier);