Re: [PATCH 4.19 178/273] media: dvb: symbol fixup for dvb_attach()

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On Thu, Sep 28, 2023 at 01:36:06AM +0200, Ben Hutchings wrote:
> On Wed, 2023-09-20 at 13:30 +0200, Greg Kroah-Hartman wrote:
> > 4.19-stable review patch.  If anyone has any objections, please let me know.
> > 
> > ------------------
> > 
> > From: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
> > 
> > commit 86495af1171e1feec79faa9b64c05c89f46e41d1 upstream.
> > 
> > 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().
> [...]
> 
> This (and other) backports missed a couple of affected exports:
> 
> - sp8870_attach in drivers/media/dvb-frontends/sp8870.c
>   (renamed to drivers/staging/media/av7110/sp8870.c upstream)
> - xc2028_attach in drivers/media/tuners/tuner-xc2028.c
>   (renamed to drivers/media/tuners/xc2028.c upstream)

Thanks for catching this, fixed up now for 4.14.y and 4.19.y.

greg k-h



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