netdev - Re: [PATCH net-next 1/2] net_sched: sfq: fix mem alloc error recovery

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Message-Id: <20120104.141301.1584452659395659449.davem@davemloft.net>
Date:	Wed, 04 Jan 2012 14:13:01 -0500 (EST)
From:	David Miller <davem@...emloft.net>
To:	eric.dumazet@...il.com
Cc:	netdev@...r.kernel.org
Subject: Re: [PATCH net-next 1/2] net_sched: sfq: fix mem alloc error
 recovery

From: Eric Dumazet <eric.dumazet@...il.com>
Date: Wed, 04 Jan 2012 17:22:24 +0100

> Since commit 817fb15dfd98 (net_sched: sfq: allow divisor to be a
> parameter), we can leave perturbation timer armed if a memory allocation
> error aborts sfq_init().
> 
> Memory containing active struct timer_list is freed and kernel can
> crash.
> 
> Call sfq_destroy() from sfq_init() to properly dismantle qdisc.
> 
> Signed-off-by: Eric Dumazet <eric.dumazet@...il.com>

Applied.
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