add a workaround for a race-condition in the wl driver (triggered by ap+sta mode...
[openwrt-10.03/.git] / target / linux / brcm-2.4 / patches / 011-wl_qdisc_war.patch
1 --- linux.old/net/sched/sch_generic.c   2006-11-24 02:42:23.000000000 +0100
2 +++ linux.dev/net/sched/sch_generic.c   2006-11-24 02:36:58.000000000 +0100
3 @@ -84,6 +84,11 @@
4         struct sk_buff *skb;
5  
6         /* Dequeue packet */
7 +       if (!q) {
8 +               if (net_ratelimit())
9 +                       printk(KERN_DEBUG "HELP ME! qdisc_restart called, but no Qdisc!\n");
10 +               return 0;
11 +       }
12         if ((skb = q->dequeue(q)) != NULL) {
13                 if (spin_trylock(&dev->xmit_lock)) {
14                         /* Remember that the driver is grabbed by us. */