Re: Strange Panic (Deadlock)
From: Jarek Poplawski <hidden>
Date: 2007-12-26 18:56:27
On Wed, Dec 26, 2007 at 07:56:42PM +0100, Jarek Poplawski wrote: ... [PATCH 3/3] (for testing only) --- diff -Nurp linux-2.6.23.12-/net/sched/sch_api.c linux-2.6.23.12+/net/sched/sch_api.c
--- linux-2.6.23.12-/net/sched/sch_api.c 2007-12-21 22:26:15.000000000 +0100
+++ linux-2.6.23.12+/net/sched/sch_api.c 2007-12-26 13:35:46.000000000 +0100@@ -514,8 +514,11 @@ qdisc_create(struct net_device *dev, u32 * a ops->reset() here? The qdisc was never * in action so it shouldn't be necessary. */ - if (ops->destroy) + if (ops->destroy) { + qdisc_lock_tree(dev); ops->destroy(sch); + qdisc_unlock_tree(dev); + } goto err_out3; } }