1 files changed, 8 insertions, 2 deletions

diff --git a/net/netfilter/nf_conntrack_core.c b/net/netfilter/nf_conntrack_core.c
index 5f72b94b4918..5276a2dd56fe 100644
--- a/net/netfilter/nf_conntrack_core.c
+++ b/net/netfilter/nf_conntrack_core.c
@@ -1267,13 +1267,19 @@ err_cache:
         return ret;
 }
 
+/*
+ * We need to use special "null" values, not used in hash table
+ */
+#define UNCONFIRMED_NULLS_VAL   ((1<<30)+0)
+#define DYING_NULLS_VAL         ((1<<30)+1)
+
 static int nf_conntrack_init_net(struct net *net)
 {
         int ret;
 
         atomic_set(&net->ct.count, 0);
-        INIT_HLIST_NULLS_HEAD(&net->ct.unconfirmed, 0);
-        INIT_HLIST_NULLS_HEAD(&net->ct.dying, 0);
+        INIT_HLIST_NULLS_HEAD(&net->ct.unconfirmed, UNCONFIRMED_NULLS_VAL);
+        INIT_HLIST_NULLS_HEAD(&net->ct.dying, DYING_NULLS_VAL);
         net->ct.stat = alloc_percpu(struct ip_conntrack_stat);
         if (!net->ct.stat) {
                 ret = -ENOMEM;