---

yaml --- r: 352756 b: refs/heads/master c: 6e2f0aa h: refs/heads/master v: v3
git-mirror · Feb 12, 2013 · 5def3fb · 5def3fb
1 parent 985df6c
commit 5def3fb
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Showing 2 changed files with 4 additions and 2 deletions.
diff --git a/[refs] b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 442fad9423b78319e0019a7f5047eddf3317afbc
+refs/heads/master: 6e2f0aa8cf8892868bf2c19349cb5d7c407f690d
diff --git a/trunk/net/netfilter/nf_conntrack_helper.c b/trunk/net/netfilter/nf_conntrack_helper.c
@@ -236,7 +236,9 @@ int __nf_ct_try_assign_helper(struct nf_conn *ct, struct nf_conn *tmpl,
 		/* We only allow helper re-assignment of the same sort since
 		 * we cannot reallocate the helper extension area.
 		 */
-		if (help->helper != helper) {
+		struct nf_conntrack_helper *tmp = rcu_dereference(help->helper);
+
+		if (tmp && tmp->help != helper->help) {
 			RCU_INIT_POINTER(help->helper, NULL);
 			goto out;
 		}