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15 lines
426 B
Diff
15 lines
426 B
Diff
--- a/net/sched/sch_generic.c
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+++ b/net/sched/sch_generic.c
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@@ -84,6 +84,11 @@ int qdisc_restart(struct net_device *dev
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struct sk_buff *skb;
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/* Dequeue packet */
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+ if (!q) {
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+ if (net_ratelimit())
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+ printk(KERN_DEBUG "HELP ME! qdisc_restart called, but no Qdisc!\n");
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+ return 0;
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+ }
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if ((skb = q->dequeue(q)) != NULL) {
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if (spin_trylock(&dev->xmit_lock)) {
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/* Remember that the driver is grabbed by us. */
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