[NET_SCHED]: Fix filter double free

[cascardo/linux.git] / net / sched / sch_api.c

diff --git a/net/sched/sch_api.c b/net/sched/sch_api.c
index 8699e70..bec600a 100644 (file)
--- a/net/sched/sch_api.c
+++ b/net/sched/sch_api.c
@@ -894,9 +894,10 @@ static int tc_dump_qdisc(struct sk_buff *skb, struct netlink_callback *cb)
        s_idx = cb->args[0];
        s_q_idx = q_idx = cb->args[1];
        read_lock(&dev_base_lock);
-       for (dev=dev_base, idx=0; dev; dev = dev->next, idx++) {
+       idx = 0;
+       for_each_netdev(dev) {
                if (idx < s_idx)
-                       continue;
+                       goto cont;
                if (idx > s_idx)
                        s_q_idx = 0;
                q_idx = 0;
@@ -910,6 +911,8 @@ static int tc_dump_qdisc(struct sk_buff *skb, struct netlink_callback *cb)
                                goto done;
                        q_idx++;
                }
+cont:
+               idx++;
        }
 
 done: