---

yaml --- r: 221634 b: refs/heads/master c: d817d29 h: refs/heads/master v: v3
git-mirror · Oct 29, 2010 · 25f28c1 · 25f28c1
1 parent 6079b99
commit 25f28c1
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Showing 2 changed files with 7 additions and 1 deletion.
diff --git a/[refs] b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 64e46749224aa658d8fc0d37ea83ab20b1d7955d
+refs/heads/master: d817d29d0b37290d90b3a9e2a61162f1dbf2be4f
diff --git a/trunk/net/netfilter/nf_conntrack_proto.c b/trunk/net/netfilter/nf_conntrack_proto.c
@@ -292,6 +292,12 @@ int nf_conntrack_l4proto_register(struct nf_conntrack_l4proto *l4proto)
 
 		for (i = 0; i < MAX_NF_CT_PROTO; i++)
 			proto_array[i] = &nf_conntrack_l4proto_generic;
+
+		/* Before making proto_array visible to lockless readers,
+		 * we must make sure its content is committed to memory.
+		 */
+		smp_wmb();
+
 		nf_ct_protos[l4proto->l3proto] = proto_array;
 	} else if (nf_ct_protos[l4proto->l3proto][l4proto->l4proto] !=
 					&nf_conntrack_l4proto_generic) {