Merge git://git.linux-xtensa.org/kernel/xtensa-feed
[sfrench/cifs-2.6.git] / net / netfilter / nf_conntrack_expect.c
index ce70a6fc6bdab26488273e5878e2a77ff9245c7f..504fb6c083f99bc30a9fac847943fa2dac4c51cb 100644 (file)
@@ -177,7 +177,7 @@ void nf_conntrack_unexpect_related(struct nf_conntrack_expect *exp)
        struct nf_conntrack_expect *i;
 
        write_lock_bh(&nf_conntrack_lock);
-       /* choose the the oldest expectation to evict */
+       /* choose the oldest expectation to evict */
        list_for_each_entry_reverse(i, &nf_conntrack_expect_list, list) {
                if (expect_matches(i, exp) && del_timer(&i->timeout)) {
                        nf_ct_unlink_expect(i);
@@ -290,9 +290,7 @@ static void nf_conntrack_expect_insert(struct nf_conntrack_expect *exp)
        master_help->expecting++;
        list_add(&exp->list, &nf_conntrack_expect_list);
 
-       init_timer(&exp->timeout);
-       exp->timeout.data = (unsigned long)exp;
-       exp->timeout.function = expectation_timed_out;
+       setup_timer(&exp->timeout, expectation_timed_out, (unsigned long)exp);
        exp->timeout.expires = jiffies + master_help->helper->timeout * HZ;
        add_timer(&exp->timeout);
 
@@ -339,6 +337,10 @@ int nf_conntrack_expect_related(struct nf_conntrack_expect *expect)
        NF_CT_ASSERT(master_help);
 
        write_lock_bh(&nf_conntrack_lock);
+       if (!master_help->helper) {
+               ret = -ESHUTDOWN;
+               goto out;
+       }
        list_for_each_entry(i, &nf_conntrack_expect_list, list) {
                if (expect_matches(i, expect)) {
                        /* Refresh timer: if it's dying, ignore.. */