ipvs: convert lc scheduler to rcu

The schedule method now needs _rcu list-traversal
primitive for svc->destinations.

Signed-off-by: Julian Anastasov <ja@ssi.bg>
Signed-off-by: Simon Horman <horms@verge.net.au>

diff --git a/net/netfilter/ipvs/ip_vs_lc.c b/net/netfilter/ipvs/ip_vs_lc.c
index f391819..0cabf78 100644 (file)
--- a/net/netfilter/ipvs/ip_vs_lc.c
+++ b/net/netfilter/ipvs/ip_vs_lc.c
@@ -42,7 +42,7 @@ ip_vs_lc_schedule(struct ip_vs_service *svc, const struct sk_buff *skb)
         * served, but no new connection is assigned to the server.
         */
 
-       list_for_each_entry(dest, &svc->destinations, n_list) {
+       list_for_each_entry_rcu(dest, &svc->destinations, n_list) {
                if ((dest->flags & IP_VS_DEST_F_OVERLOAD) ||
                    atomic_read(&dest->weight) == 0)
                        continue;