[NET]: Multiple namespaces in the all dst_ifdown routines.

Move dst entries to a namespace loopback to catch refcounting leaks.

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

1 files changed, 3 insertions, 2 deletions

diff --git a/net/ipv4/route.c b/net/ipv4/route.c
index d95e48e8d65c..b576f8cd4019 100644
--- a/net/ipv4/route.c
+++ b/net/ipv4/route.c
@@ -1512,8 +1512,9 @@ static void ipv4_dst_ifdown(struct dst_entry *dst, struct net_device *dev,
 {
         struct rtable *rt = (struct rtable *) dst;
         struct in_device *idev = rt->idev;
-        if (dev != init_net.loopback_dev && idev && idev->dev == dev) {
-                struct in_device *loopback_idev = in_dev_get(init_net.loopback_dev);
+        if (dev != dev->nd_net->loopback_dev && idev && idev->dev == dev) {
+                struct in_device *loopback_idev =
+                        in_dev_get(dev->nd_net->loopback_dev);
                 if (loopback_idev) {
                         rt->idev = loopback_idev;
                         in_dev_put(idev);