[PATCH][NETNS] release net when pneigh_lookup fails

[Daniel Lezcano]

When the neighbour table constructor fails, the network namespace is
not released. This patch fix that.

Signed-off-by: Daniel Lezcano <dlezcano at fr.ibm.com>
---
  net/core/neighbour.c |    1 +
  1 file changed, 1 insertion(+)

Index: linux-2.6-netns/net/core/neighbour.c
===================================================================
--- linux-2.6-netns.orig/net/core/neighbour.c
+++ linux-2.6-netns/net/core/neighbour.c
@@ -497,6 +497,7 @@ struct pneigh_entry * pneigh_lookup(stru
         if (tbl->pconstructor && tbl->pconstructor(n)) {
                 if (dev)
                         dev_put(dev);
+               release_net(n->net);
                 kfree(n);
                 n = NULL;
                 goto out;