[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>

diff --git a/include/net/ip_fib.h b/include/net/ip_fib.h
index 39f944a..9daa60b 100644 (file)
--- a/include/net/ip_fib.h
+++ b/include/net/ip_fib.h
@@ -213,7 +213,8 @@ extern const struct nla_policy rtm_ipv4_policy[];
 extern void            ip_fib_init(void);
 extern int fib_validate_source(__be32 src, __be32 dst, u8 tos, int oif,
                               struct net_device *dev, __be32 *spec_dst, u32 *itag);
-extern void fib_select_default(const struct flowi *flp, struct fib_result *res);
+extern void fib_select_default(struct net *net, const struct flowi *flp,
+                              struct fib_result *res);
 
 /* Exported by fib_semantics.c */
 extern int ip_fib_check_default(__be32 gw, struct net_device *dev);

diff --git a/net/ipv4/fib_frontend.c b/net/ipv4/fib_frontend.c
index 13bf01d..7e3e732 100644 (file)
--- 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 27e0f81..4313255 100644 (file)
--- 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);