linux-kernel - Re: [ 01/82] Bluetooth: Always compile SCO and L2CAP in Bluetooth Core

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Date:	Fri, 16 Nov 2012 02:08:47 +0000
From:	Ben Hutchings <ben@...adent.org.uk>
To:	Gustavo Padovan <gustavo@...ovan.org>
Cc:	David Miller <davem@...emloft.net>, linux-kernel@...r.kernel.org,
	stable@...r.kernel.org, akpm@...ux-foundation.org,
	alan@...rguk.ukuu.org.uk, ulisses@...fusion.mobi,
	marcel@...tmann.org,
	Vinicius Costa Gomes <vinicius.gomes@...nbossa.org>
Subject: Re: [ 01/82] Bluetooth: Always compile SCO and L2CAP in Bluetooth
 Core

On Thu, 2012-11-15 at 19:07 -0200, Gustavo Padovan wrote:
> Hi Ben,
> 
> * Ben Hutchings <ben@...adent.org.uk> [2012-11-15 20:04:32 +0000]:
> 
> > On Wed, 2012-11-14 at 21:38 +0000, Ben Hutchings wrote:
> > > On Wed, Nov 14, 2012 at 04:30:44PM -0500, David Miller wrote:
> > > > From: Gustavo Padovan <gustavo@...ovan.org>
> > > > Date: Wed, 14 Nov 2012 19:24:26 -0200
> > > > 
> > > > > Hi Ben,
> > > > > 
> > > > > * Ben Hutchings <ben@...adent.org.uk> [2012-11-14 05:39:34 +0000]:
> > > > > 
> > > > >> 3.2-stable review patch.  If anyone has any objections, please let me know.
> > > > >> 
> > > > >> ------------------
> > > > >> 
> > > > >> From: Ulisses Furquim <ulisses@...fusion.mobi>
> > > > >> 
> > > > >> commit f1e91e1640d808d332498a6b09b2bcd01462eff9 upstream.
> > > > >> 
> > > > >> The handling of SCO audio links and the L2CAP protocol are essential to
> > > > >> any system with Bluetooth thus are always compiled in from now on.
> > > > > 
> > > > > I wonder if this could not break any kind of script or code people have that
> > > > > refer directly to the sco and l2cap modules. Also I don't see this change as
> > > > > really necessary for 3.2.
> > > > 
> > > > Agreed, I wish this had not been merged into -stable, I would have never
> > > > submitted a patch like this myself.
> > > 
> > > This is required by:
> > > 
> > > commit ff03261adc8b4bdd8291f1783c079b53a892b429
> > > Author: Vinicius Costa Gomes <vinicius.gomes@...nbossa.org>
> > > Date:   Thu Aug 23 21:32:44 2012 -0300
> > > 
> > >     Bluetooth: Fix sending a HCI Authorization Request over LE links
> > >     
> > >     commit d8343f125710fb596f7a88cd756679f14f4e77b9 upstream.
> > > 
> > > which was already applied.
> > 
> > So, do you think it's better to revert that in 3.2, or to go ahead with
> > this?
> 
> I suggest you to revert it. There is a much simpler solution if revert, fix
> the patch and apply it again. No need to push this module merge patch here.
> 
> The problem seems to be only a missing EXPORT_SYMBOL of the smp.c method. That
> should fix it. If you want me to fix that just ask me.

smp_conn_security() is either in the same module or not defined at all.
I'll add an #ifdef CONFIG_BT_L2CAP instead of this patch.

Ben.

-- 
Ben Hutchings
Theory and practice are closer in theory than in practice.
                                - John Levine, moderator of comp.compilers

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