linux-kernel - Re: [PATCH] media: dvb: symbol fixup for dvb

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Message-ID: <2023090852-stoppable-jackpot-549f@gregkh>
Date:   Fri, 8 Sep 2023 17:35:07 +0100
From:   Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:     Luis Chamberlain <mcgrof@...nel.org>
Cc:     linux-kernel@...r.kernel.org, stable <stable@...nel.org>,
        Stefan Lippers-Hollmann <s.l-h@....de>,
        Mauro Carvalho Chehab <mchehab@...nel.org>,
        Christoph Hellwig <hch@....de>, linux-media@...r.kernel.org,
        linux-modules@...r.kernel.org
Subject: Re: [PATCH] media: dvb: symbol fixup for dvb_attach()

On Fri, Sep 08, 2023 at 09:21:29AM -0700, Luis Chamberlain wrote:
> On Fri, Sep 08, 2023 at 10:20:36AM +0100, Greg Kroah-Hartman wrote:
> > In commit 9011e49d54dc ("modules: only allow symbol_get of
> > EXPORT_SYMBOL_GPL modules") the use of symbol_get is properly restricted
> > to GPL-only marked symbols.  This interacts oddly with the DVB logic
> > which only uses dvb_attach() to load the dvb driver which then uses
> > symbol_get().
> > 
> > Fix this up by properly marking all of the dvb_attach attach symbols as
> > EXPORT_SYMBOL_GPL().
> > 
> > Fixes: 9011e49d54dc ("modules: only allow symbol_get of EXPORT_SYMBOL_GPL modules")
> > Cc: stable <stable@...nel.org>
> > Reported-by: Stefan Lippers-Hollmann <s.l-h@....de>
> > Cc: Mauro Carvalho Chehab <mchehab@...nel.org>
> > Cc: Luis Chamberlain <mcgrof@...nel.org>
> > Cc: Christoph Hellwig <hch@....de>
> > Cc: linux-media@...r.kernel.org
> > Cc: linux-modules@...r.kernel.org
> > Signed-off-by: Greg Kroah-Hartman <gregkh@...uxfoundation.org>
> > ---
> > Luis, do you want to take this through your tree?  Or Mauro's?  Or I can
> > take it through mine, it should get to Linus soon as this is causing
> > regressions in his tree.
> 
> You've done the work so it is up to you, whatever helps you expedite it
> as it already hit stable. Feel free to take it through your tree.

If you ack it, I can take it now through my tree and send it to Linus
tomorrow.

thanks,

greg k-h