From: Kalle Valo <kvalo@qca.qualcomm.com>
To: Michal Kazior <michal.kazior@tieto.com>
Cc: linux-wireless@vger.kernel.org, ath10k@lists.infradead.org
Subject: Re: [PATCH] ath10k: add extra check for frame tracing
Date: Fri, 17 Apr 2015 09:34:32 +0300 [thread overview]
Message-ID: <87r3rj4613.fsf@kamboji.qca.qualcomm.com> (raw)
In-Reply-To: <1428670948-7665-1-git-send-email-michal.kazior@tieto.com> (Michal Kazior's message of "Fri, 10 Apr 2015 13:02:28 +0000")
Michal Kazior <michal.kazior@tieto.com> writes:
> Frames are logged via tracing in two slices:
> header and payload, separately. This is done for
> performance reasons when one wants to, e.g.
> analyse metadata only of frames only.
>
> If for some reason device delivered a frame buffer
> which was sized below what 802.11 header implied
> tracing logic would blow doing an invalid memory
> accesses.
>
> I've hit this problem when running IBSS on QCA988X
> with 999.999.0.636 and tracing at the same time.
>
> Fixes: 5ce8e7fdcc7a ("ath10k: handle ieee80211 header and payload tracing separately")
> Signed-off-by: Michal Kazior <michal.kazior@tieto.com>
Thanks, applied.
--
Kalle Valo
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prev parent reply other threads:[~2015-04-17 6:35 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-04-10 13:02 [PATCH] ath10k: add extra check for frame tracing Michal Kazior
2015-04-17 6:34 ` Kalle Valo [this message]
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