From: Tuomas Katila <ext-tuomas.2.katila@nokia.com>
To: "Oikarinen Juuso (Nokia-MS/Tampere)" <juuso.oikarinen@nokia.com>
Cc: "Coelho Luciano (Nokia-MS/Helsinki)" <Luciano.Coelho@nokia.com>,
"linux-wireless@vger.kernel.org" <linux-wireless@vger.kernel.org>
Subject: Re: [PATCH] wl12xx: Fix kernel crash related to hw recovery and interface shutdown
Date: Fri, 19 Nov 2010 08:51:52 +0200 [thread overview]
Message-ID: <1290149512.20720.100.camel@tukatila-desktop> (raw)
In-Reply-To: <1290086342-12015-1-git-send-email-juuso.oikarinen@nokia.com>
On Thu, 2010-11-18 at 14:19 +0100, Oikarinen Juuso (Nokia-MS/Tampere)
wrote:
> From: Juuso Oikarinen <juuso.oikarinen@nokia.com>
>
> It is possible that the op_remove_interface function is invoked exactly at
> the same time has hw recovery is started. In this case it is possible for the
> interface to be already removed in the op_remove_interface call, which
> currently leads to a kernel warning and a subsequent kernel crash.
>
> Fix this by ignoring the op_remove_interface call if the interface is already
> down at that point.
>
> Signed-off-by: Juuso Oikarinen <juuso.oikarinen@nokia.com>
> ---
Tested-by: Tuomas Katila <ext-tuomas.2.katila@nokia.com>
I couldn't see the crash anymore with this patch.
-Tuomas
next prev parent reply other threads:[~2010-11-19 6:58 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-11-18 13:19 [PATCH] wl12xx: Fix kernel crash related to hw recovery and interface shutdown juuso.oikarinen
2010-11-19 6:51 ` Tuomas Katila [this message]
2010-11-22 12:52 ` Luciano Coelho
2010-11-23 5:51 ` Juuso Oikarinen
2010-11-23 8:47 ` Luciano Coelho
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