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

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Date:	Mon, 18 Oct 2010 13:59:16 -0200
From:	"Gustavo F. Padovan" <padovan@...fusion.mobi>
To:	Marcel Holtmann <marcel@...tmann.org>
Cc:	Mike Frysinger <vapier@...too.org>,
	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,

* Marcel Holtmann <marcel@...tmann.org> [2010-10-18 13:51:46 +0200]:

> 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 :(

Actually I remember it, but it got lost by some way. :(

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

Applied, thanks.

-- 
Gustavo F. Padovan
ProFUSION embedded systems - http://profusion.mobi
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