linux-kernel - Re: [PATCH 1/2] [net/wireless/iwlwifi] : iwlwifi 3945 Fix raceconditional panic.

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Date:	Wed, 12 Dec 2007 03:43:25 -0800
From:	Andrew Morton <akpm@...ux-foundation.org>
To:	"Joonwoo Park" <joonwpark81@...il.com>
Cc:	"'Zhu Yi'" <yi.zhu@...el.com>,
	<ipw3945-devel@...ts.sourceforge.net>,
	<linux-wireless@...r.kernel.org>, <linux-kernel@...r.kernel.org>,
	<netdev@...r.kernel.org>
Subject: Re: [PATCH 1/2] [net/wireless/iwlwifi] : iwlwifi 3945 Fix
 raceconditional panic.

On Thu, 29 Nov 2007 10:42:49 +0900 "Joonwoo Park" <joonwpark81@...il.com> wrote:

> 2007/11/29, Zhu Yi <yi.zhu@...el.com>:
> > 
> > Good catch. But it will be better if you add it into
> > iwl_cancel_deferred_work().
> > 
> 
> Thanks.
> I agree with you. 
> Actually, I considered it, but I was afraid of side effect.
> Anyway, I'm attaching a new one.
> 
> Thanks.
> Joonwoo
> 
> [net/wireless/iwlwifi] : iwlwifi 3945 Fix race conditional panic.
> 
> Signed-off-by: Joonwoo Park <joonwpark81@...il.com>
> ---
> diff --git a/drivers/net/wireless/iwlwifi/iwl3945-base.c b/drivers/net/wireless/iwlwifi/iwl3945-base.c
> index 465da4f..e51e872 100644
> --- a/drivers/net/wireless/iwlwifi/iwl3945-base.c
> +++ b/drivers/net/wireless/iwlwifi/iwl3945-base.c
> @@ -8270,6 +8270,7 @@ static void iwl_cancel_deferred_work(struct iwl_priv *priv)
>  {
>  	iwl_hw_cancel_deferred_work(priv);
>  
> +	cancel_delayed_work_sync(&priv->init_alive_start);
>  	cancel_delayed_work(&priv->scan_check);
>  	cancel_delayed_work(&priv->alive_start);
>  	cancel_delayed_work(&priv->post_associate);

Did drivers/net/wireless/iwlwifi/iwl4965-base.c get fixed in a simlar
fashion?
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