Merge master.kernel.org:/pub/scm/linux/kernel/git/davem/net-2.6

[linux-2.6] / net / ipv6 / route.c

diff --git a/net/ipv6/route.c b/net/ipv6/route.c
index e16c9825c4dc1d689f599f0d66c8eb260e1c70bd..0190e39096b978692349bd0dbd3e5271a828fab3 100644 (file)
--- a/net/ipv6/route.c
+++ b/net/ipv6/route.c
@@ -317,7 +317,7 @@ static struct rt6_info *rt6_select(struct rt6_info **head, int oif,
                  __FUNCTION__, head, head ? *head : NULL, oif);
 
        for (rt = rt0, metric = rt0->rt6i_metric;
-            rt && rt->rt6i_metric == metric;
+            rt && rt->rt6i_metric == metric && (!last || rt != rt0);
             rt = rt->u.next) {
                int m;
 
@@ -343,9 +343,12 @@ static struct rt6_info *rt6_select(struct rt6_info **head, int oif,
            (strict & RT6_SELECT_F_REACHABLE) &&
            last && last != rt0) {
                /* no entries matched; do round-robin */
+               static spinlock_t lock = SPIN_LOCK_UNLOCKED;
+               spin_lock(&lock);
                *head = rt0->u.next;
                rt0->u.next = last->u.next;
                last->u.next = rt0;
+               spin_unlock(&lock);
        }
 
        RT6_TRACE("%s() => %p, score=%d\n",
@@ -1877,11 +1880,10 @@ int inet6_dump_fib(struct sk_buff *skb, struct netlink_callback *cb)
                /*
                 * 2. allocate and initialize walker.
                 */
-               w = kmalloc(sizeof(*w), GFP_ATOMIC);
+               w = kzalloc(sizeof(*w), GFP_ATOMIC);
                if (w == NULL)
                        return -ENOMEM;
                RT6_TRACE("dump<%p", w);
-               memset(w, 0, sizeof(*w));
                w->root = &ip6_routing_table;
                w->func = fib6_dump_node;
                w->args = &arg;