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-rw-r--r--net/core/net_namespace.c4
1 files changed, 4 insertions, 0 deletions
diff --git a/net/core/net_namespace.c b/net/core/net_namespace.c
index 763674e1e593..72b4c184dd84 100644
--- a/net/core/net_namespace.c
+++ b/net/core/net_namespace.c
@@ -35,7 +35,9 @@ static __net_init int setup_net(struct net *net)
struct net_generic *ng;
atomic_set(&net->count, 1);
+#ifdef NETNS_REFCNT_DEBUG
atomic_set(&net->use_count, 0);
+#endif
error = -ENOMEM;
ng = kzalloc(sizeof(struct net_generic) +
@@ -86,11 +88,13 @@ static void net_free(struct net *net)
if (!net)
return;
+#ifdef NETNS_REFCNT_DEBUG
if (unlikely(atomic_read(&net->use_count) != 0)) {
printk(KERN_EMERG "network namespace not free! Usage: %d\n",
atomic_read(&net->use_count));
return;
}
+#endif
kmem_cache_free(net_cachep, net);
}