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

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Message-ID: <20200608020256.GA256950@roeck-us.net>
Date:   Sun, 7 Jun 2020 19:02:56 -0700
From:   Guenter Roeck <linux@...ck-us.net>
To:     Masahiro Yamada <masahiroy@...nel.org>
Cc:     linux-kbuild@...r.kernel.org, Arnd Bergmann <arnd@...db.de>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        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

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.

Guenter