linux-kernel - Re: [PATCH] kbuild: make module name conflict fatal error

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Message-ID: <20200609062012.GA499862@kroah.com>
Date:   Tue, 9 Jun 2020 08:20:12 +0200
From:   Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:     Guenter Roeck <linux@...ck-us.net>
Cc:     Masahiro Yamada <masahiroy@...nel.org>,
        linux-kbuild@...r.kernel.org, Arnd Bergmann <arnd@...db.de>,
        Lucas De Marchi <lucas.demarchi@...el.com>,
        Michal Marek <michal.lkml@...kovi.net>,
        Stephen Rothwell <sfr@...b.auug.org.au>,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH] kbuild: make module name conflict fatal error

On Sun, Jun 07, 2020 at 07:02:56PM -0700, Guenter Roeck wrote:
> Hi,
> 
> On Mon, May 11, 2020 at 01:21:49PM +0900, Masahiro Yamada wrote:
> > I think all the warnings have been fixed by now. Make it a fatal error.
> > 
> 
> Not entirely. With this patch in the tree, I get:
> 
> Building sparc64:allmodconfig ... failed
> --------------
> Error log:
> error: the following would cause module name conflict:
>   drivers/char/adi.ko
>   drivers/input/joystick/adi.ko
> make[1]: *** [modules_check] Error 1
> make[1]: *** Waiting for unfinished jobs....
> make: *** [__sub-make] Error 2
> 
> Reverting this patch fixes the problem.

As it doesn't look like either of these drivers can be "auto-loaded"
based on hardware detection, I don't know what to suggest as for
renaming either of them.

Any ideas?

thanks,

greg k-h