linux-kernel - Re: [PATCH] cciss: fix build for PROC

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Date:	Tue, 16 Nov 2010 18:56:08 -0800
From:	Linus Torvalds <torvalds@...ux-foundation.org>
To:	Randy Dunlap <randy.dunlap@...cle.com>,
	Jens Axboe <jaxboe@...ionio.com>
Cc:	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH] cciss: fix build for PROC_FS disabled

On Tue, Nov 16, 2010 at 5:00 PM, Randy Dunlap <randy.dunlap@...cle.com> wrote:
>
> Fix cciss driver for CONFIG_PROC_FS not enabled:
>
> drivers/block/cciss.c:4929: error: 'proc_cciss' undeclared (first use in this function)

Hmm. I would almost prefer to not have this #ifdef inside code, and
solve it by simply moving the definition of "proc_cciss" to outside
the other #ifdef CONFIG_PROC_FS.

That way it allways stays NULL, and without CONFIG_PROC_FS the code in
question will all be empty inline function calls anyway, so the
compiler will compile it all away (at the cost of just keeping that
one unnecessary variable around).

I'd rather waste one useless pointer than have ugly source code.

Comments?

                Linus
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