[NETNS]: Add namespace parameter to ip_route_output_slow.

This function needs a net namespace to lookup devices, fib tables,
etc. in, so pass it there.

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

1 files changed, 11 insertions, 10 deletions

diff --git a/net/ipv4/route.c b/net/ipv4/route.c
index 674575b622ad..0576ff79c550 100644
--- a/net/ipv4/route.c
+++ b/net/ipv4/route.c
@@ -2248,7 +2248,8 @@ static inline int ip_mkroute_output(struct rtable **rp,
  * Major route resolver routine.
  */
 
-static int ip_route_output_slow(struct rtable **rp, const struct flowi *oldflp)
+static int ip_route_output_slow(struct net *net, struct rtable **rp,
+                                const struct flowi *oldflp)
 {
         u32 tos = RT_FL_TOS(oldflp);
         struct flowi fl = { .nl_u = { .ip4_u =
@@ -2260,7 +2261,7 @@ static int ip_route_output_slow(struct rtable **rp, const struct flowi *oldflp)
                                                   RT_SCOPE_UNIVERSE),
                                       } },
                             .mark = oldflp->mark,
-                            .iif = init_net.loopback_dev->ifindex,
+                            .iif = net->loopback_dev->ifindex,
                             .oif = oldflp->oif };
         struct fib_result res;
         unsigned flags = 0;
@@ -2282,7 +2283,7 @@ static int ip_route_output_slow(struct rtable **rp, const struct flowi *oldflp)
                         goto out;
 
                 /* It is equivalent to inet_addr_type(saddr) == RTN_LOCAL */
-                dev_out = ip_dev_find(&init_net, oldflp->fl4_src);
+                dev_out = ip_dev_find(net, oldflp->fl4_src);
                 if (dev_out == NULL)
                         goto out;
 
@@ -2322,7 +2323,7 @@ static int ip_route_output_slow(struct rtable **rp, const struct flowi *oldflp)
 
 
         if (oldflp->oif) {
-                dev_out = dev_get_by_index(&init_net, oldflp->oif);
+                dev_out = dev_get_by_index(net, oldflp->oif);
                 err = -ENODEV;
                 if (dev_out == NULL)
                         goto out;
@@ -2356,15 +2357,15 @@ static int ip_route_output_slow(struct rtable **rp, const struct flowi *oldflp)
                         fl.fl4_dst = fl.fl4_src = htonl(INADDR_LOOPBACK);
                 if (dev_out)
                         dev_put(dev_out);
-                dev_out = init_net.loopback_dev;
+                dev_out = net->loopback_dev;
                 dev_hold(dev_out);
-                fl.oif = init_net.loopback_dev->ifindex;
+                fl.oif = net->loopback_dev->ifindex;
                 res.type = RTN_LOCAL;
                 flags |= RTCF_LOCAL;
                 goto make_route;
         }
 
-        if (fib_lookup(&init_net, &fl, &res)) {
+        if (fib_lookup(net, &fl, &res)) {
                 res.fi = NULL;
                 if (oldflp->oif) {
                         /* Apparently, routing tables are wrong. Assume,
@@ -2403,7 +2404,7 @@ static int ip_route_output_slow(struct rtable **rp, const struct flowi *oldflp)
                         fl.fl4_src = fl.fl4_dst;
                 if (dev_out)
                         dev_put(dev_out);
-                dev_out = init_net.loopback_dev;
+                dev_out = net->loopback_dev;
                 dev_hold(dev_out);
                 fl.oif = dev_out->ifindex;
                 if (res.fi)
@@ -2419,7 +2420,7 @@ 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(&init_net, &fl, &res);
+                fib_select_default(net, &fl, &res);
 
         if (!fl.fl4_src)
                 fl.fl4_src = FIB_RES_PREFSRC(res);
@@ -2469,7 +2470,7 @@ int __ip_route_output_key(struct rtable **rp, const struct flowi *flp)
         }
         rcu_read_unlock_bh();
 
-        return ip_route_output_slow(rp, flp);
+        return ip_route_output_slow(&init_net, rp, flp);
 }
 
 EXPORT_SYMBOL_GPL(__ip_route_output_key);