[NETNS]: Pass correct namespace in fib_validate_source.

Correct network namespace is available inside fib_validate_source. It
can be obtained from the device passed in. The device is not NULL as
in_device is obtained from it just above.

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

diff --git a/net/ipv4/fib_frontend.c b/net/ipv4/fib_frontend.c
index e056154076b3d1c130cbe58dc37d538a6ccf7664..6761639dd0e975a902d83bb15f0cc350790a63af 100644 (file)
--- a/net/ipv4/fib_frontend.c
+++ b/net/ipv4/fib_frontend.c
@@ -228,6 +228,7 @@ int fib_validate_source(__be32 src, __be32 dst, u8 tos, int oif,
        struct fib_result res;
        int no_addr, rpf;
        int ret;
+       struct net *net;
 
        no_addr = rpf = 0;
        rcu_read_lock();
@@ -241,7 +242,8 @@ int fib_validate_source(__be32 src, __be32 dst, u8 tos, int oif,
        if (in_dev == NULL)
                goto e_inval;
 
-       if (fib_lookup(&init_net, &fl, &res))
+       net = dev->nd_net;
+       if (fib_lookup(net, &fl, &res))
                goto last_resort;
        if (res.type != RTN_UNICAST)
                goto e_inval_res;
@@ -265,7 +267,7 @@ int fib_validate_source(__be32 src, __be32 dst, u8 tos, int oif,
        fl.oif = dev->ifindex;
 
        ret = 0;
-       if (fib_lookup(&init_net, &fl, &res) == 0) {
+       if (fib_lookup(net, &fl, &res) == 0) {
                if (res.type == RTN_UNICAST) {
                        *spec_dst = FIB_RES_PREFSRC(res);
                        ret = FIB_RES_NH(res).nh_scope >= RT_SCOPE_HOST;