From: Kalle Valo <kvalo@codeaurora.org>
To: Amitkumar Karwar <akarwar@marvell.com>
Cc: <linux-wireless@vger.kernel.org>, Cathy Luo <cluo@marvell.com>,
Nishant Sarmukadam <nishants@marvell.com>
Subject: Re: [PATCH] mwifiex: fix large amsdu packets causing firmware hang
Date: Thu, 21 Jul 2016 17:48:38 +0300 [thread overview]
Message-ID: <8737n39hdl.fsf@purkki.adurom.net> (raw)
In-Reply-To: <1469098824-8031-1-git-send-email-akarwar@marvell.com> (Amitkumar Karwar's message of "Thu, 21 Jul 2016 16:30:24 +0530")
Amitkumar Karwar <akarwar@marvell.com> writes:
> From: Cathy Luo <cluo@marvell.com>
>
> Sometimes host prepares and downloads a large amsdu packet to firmware
> which leads to a memory corruption in firmware.
> The reason is __dev_alloc_skb() may allocate larger buffer than required
> size. This patch solves the problem by checking "adapter->tx_buf_size"
> instead of relying on skb_tailroom().
>
> Signed-off-by: Cathy Luo <cluo@marvell.com>
> Signed-off-by: Amitkumar Karwar <akarwar@marvell.com>
Should this go to 4.8 as an important fix?
--
Kalle Valo
next prev parent reply other threads:[~2016-07-21 14:48 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-07-21 11:00 [PATCH] mwifiex: fix large amsdu packets causing firmware hang Amitkumar Karwar
2016-07-21 14:48 ` Kalle Valo [this message]
2016-07-21 14:55 ` Amitkumar Karwar
2016-08-18 13:02 ` Kalle Valo
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