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Date: Wed, 26 Dec 2007 19:58:22 +0100
From: Jarek Poplawski <jarkao2@...il.com>
To: Badalian Vyacheslav <slavon@...telecom.ru>
Cc: netdev@...r.kernel.org
Subject: Re: Strange Panic (Deadlock)
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;
}
}
--
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