Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mszeredi...

[cascardo/linux.git] / net / netfilter / nfnetlink_cttimeout.c

diff --git a/net/netfilter/nfnetlink_cttimeout.c b/net/netfilter/nfnetlink_cttimeout.c
index 3c84f14..4cdcd96 100644 (file)
--- a/net/netfilter/nfnetlink_cttimeout.c
+++ b/net/netfilter/nfnetlink_cttimeout.c
@@ -303,16 +303,24 @@ static void ctnl_untimeout(struct net *net, struct ctnl_timeout *timeout)
 {
        struct nf_conntrack_tuple_hash *h;
        const struct hlist_nulls_node *nn;
+       unsigned int last_hsize;
+       spinlock_t *lock;
        int i;
 
        local_bh_disable();
-       for (i = 0; i < nf_conntrack_htable_size; i++) {
-               nf_conntrack_lock(&nf_conntrack_locks[i % CONNTRACK_LOCKS]);
-               if (i < nf_conntrack_htable_size) {
-                       hlist_nulls_for_each_entry(h, nn, &nf_conntrack_hash[i], hnnode)
-                               untimeout(h, timeout);
+restart:
+       last_hsize = nf_conntrack_htable_size;
+       for (i = 0; i < last_hsize; i++) {
+               lock = &nf_conntrack_locks[i % CONNTRACK_LOCKS];
+               nf_conntrack_lock(lock);
+               if (last_hsize != nf_conntrack_htable_size) {
+                       spin_unlock(lock);
+                       goto restart;
                }
-               spin_unlock(&nf_conntrack_locks[i % CONNTRACK_LOCKS]);
+
+               hlist_nulls_for_each_entry(h, nn, &nf_conntrack_hash[i], hnnode)
+                       untimeout(h, timeout);
+               spin_unlock(lock);
        }
        local_bh_enable();
 }