[IPV4]: Consolidate fib_select_default.

The difference in the implementation of the fib_select_default when
CONFIG_IP_MULTIPLE_TABLES is (not) defined looks
negligible. Consolidate it and place into fib_frontend.c.

Signed-off-by: Denis V. Lunev <den@openvz.org>
Signed-off-by: David S. Miller <davem@davemloft.net>

1 files changed, 14 insertions, 0 deletions

diff --git a/net/ipv4/fib_frontend.c b/net/ipv4/fib_frontend.c
index 6761639dd0e9..13bf01de0ed8 100644
--- a/net/ipv4/fib_frontend.c
+++ b/net/ipv4/fib_frontend.c
@@ -116,6 +116,20 @@ struct fib_table *fib_get_table(struct net *net, u32 id)
 }
 #endif /* CONFIG_IP_MULTIPLE_TABLES */
 
+void fib_select_default(const struct flowi *flp, struct fib_result *res)
+{
+        struct fib_table *tb;
+        int table = RT_TABLE_MAIN;
+#ifdef CONFIG_IP_MULTIPLE_TABLES
+        if (res->r == NULL || res->r->action != FR_ACT_TO_TBL)
+                return;
+        table = res->r->table;
+#endif
+        tb = fib_get_table(&init_net, table);
+        if (FIB_RES_GW(*res) && FIB_RES_NH(*res).nh_scope == RT_SCOPE_LINK)
+                tb->tb_select_default(tb, flp, res);
+}
+
 static void fib_flush(struct net *net)
 {
         int flushed = 0;