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--- linux.old/net/sched/sch_generic.c 2006-11-24 02:42:23.000000000 +0100
+++ linux.dev/net/sched/sch_generic.c 2006-11-24 02:36:58.000000000 +0100
@@ -84,6 +84,11 @@
struct sk_buff *skb;
/* Dequeue packet */
+ if (!q) {
+ if (net_ratelimit())
+ printk(KERN_DEBUG "HELP ME! qdisc_restart called, but no Qdisc!\n");
+ return 0;
+ }
if ((skb = q->dequeue(q)) != NULL) {
if (spin_trylock(&dev->xmit_lock)) {
/* Remember that the driver is grabbed by us. */
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