linux-kernel - Re: [PATCH] bluetooth: fix unaligned access to l2cap conf data

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Message-ID: <1287402706.3316.126.camel@aeonflux>
Date:	Mon, 18 Oct 2010 13:51:46 +0200
From:	Marcel Holtmann <marcel@...tmann.org>
To:	Mike Frysinger <vapier@...too.org>
Cc:	linux-bluetooth@...r.kernel.org,
	uclinux-dist-devel@...ckfin.uclinux.org,
	linux-kernel@...r.kernel.org,
	Andrew Morton <akpm@...ux-foundation.org>,
	steven miao <realmz6@...il.com>
Subject: Re: [PATCH] bluetooth: fix unaligned access to l2cap conf data

Hi Mike,

> In function l2cap_get_conf_opt() and l2cap_add_conf_opt() the address of
> opt->val sometimes is not at the edge of 2-bytes/4-bytes, so 2-bytes/4 bytes
> access will cause data misalignment exeception.  Use get_unaligned_le16/32
> and put_unaligned_le16/32 function to avoid data misalignment execption.
> 
> Signed-off-by: steven miao <realmz6@...il.com>
> Signed-off-by: Mike Frysinger <vapier@...too.org>
> ---
> was posted a month ago with no feedback ...

must have slipped through. However I don't remember it being on
linux-bluetooth at all. Maybe it was on the other mailing lists :(

Acked-by: Marcel Holtmann <marcel@...tmann.org>

Regards

Marcel


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