[NETNS]: Add netns parameter to fib_select_default.

Currently fib_select_default calls fib_get_table() with the
init_net. Prepare it to provide a correct namespace to lookup default
route.

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

2 files changed, 4 insertions, 3 deletions

diff --git a/net/ipv4/fib_frontend.c b/net/ipv4/fib_frontend.c
index 13bf01de0ed8..7e3e7329dacf 100644
--- a/net/ipv4/fib_frontend.c
+++ b/net/ipv4/fib_frontend.c
@@ -116,7 +116,8 @@ 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)
+void fib_select_default(struct net *net,
+                        const struct flowi *flp, struct fib_result *res)
 {
         struct fib_table *tb;
         int table = RT_TABLE_MAIN;
@@ -125,7 +126,7 @@ void fib_select_default(const struct flowi *flp, struct fib_result *res)
                 return;
         table = res->r->table;
 #endif
-        tb = fib_get_table(&init_net, table);
+        tb = fib_get_table(net, table);
         if (FIB_RES_GW(*res) && FIB_RES_NH(*res).nh_scope == RT_SCOPE_LINK)
                 tb->tb_select_default(tb, flp, res);
 }
diff --git a/net/ipv4/route.c b/net/ipv4/route.c
index 27e0f81060a7..4313255e5a14 100644
--- a/net/ipv4/route.c
+++ b/net/ipv4/route.c
@@ -2419,7 +2419,7 @@ static int ip_route_output_slow(struct rtable **rp, const struct flowi *oldflp)
         else
 #endif
         if (!res.prefixlen && res.type == RTN_UNICAST && !fl.oif)
-                fib_select_default(&fl, &res);
+                fib_select_default(&init_net, &fl, &res);
 
         if (!fl.fl4_src)
                 fl.fl4_src = FIB_RES_PREFSRC(res);