linux-kernel - Re: [-mm patch] get_unmapped_area: remove now unused ret variable (was Re: 2.6.21-mm1)

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Message-Id: <1178487908.6353.187.camel@localhost.localdomain>
Date:	Mon, 07 May 2007 07:45:07 +1000
From:	Benjamin Herrenschmidt <benh@...nel.crashing.org>
To:	Frederik Deweerdt <deweerdt@...e.fr>
Cc:	Andrew Morton <akpm@...ux-foundation.org>,
	linux-kernel@...r.kernel.org
Subject: Re: [-mm patch] get_unmapped_area: remove now unused ret variable
	(was Re: 2.6.21-mm1)

On Sun, 2007-05-06 at 11:03 +0200, Frederik Deweerdt wrote:
> On Sat, May 05, 2007 at 01:49:55AM -0700, Andrew Morton wrote:
> > 
> > ftp://ftp.kernel.org/pub/linux/kernel/people/akpm/patches/2.6/2.6.21/2.6.21-mm1/
> > 
> 
> mm/mmap.c:1393: warning: unused variable 'ret'
> 
> The get_unmapped_area-doesnt-need-hugetlbfs-hacks-anymore.patch and
> get_unmapped_area-handles-map_fixed-in-generic-code.patch rendered the ret
> variable useless.

Ah good catch.. I wonder why my gcc didn't spot it...

> Regards,
> Frederik
> 
> Signed-off-by: Frederik Deweerdt <frederik.deweerdt@...il.com>

Acked-by: Benjamin Herrenschmidt <benh@...nel.crashing.org>

> diff --git a/mm/mmap.c b/mm/mmap.c
> index b0f6eb8..fabf7f4 100644
> --- a/mm/mmap.c
> +++ b/mm/mmap.c
> @@ -1390,7 +1390,6 @@ unsigned long
>  get_unmapped_area(struct file *file, unsigned long addr, unsigned long len,
>  		unsigned long pgoff, unsigned long flags)
>  {
> -	unsigned long ret;
>  	unsigned long (*get_area)(struct file *, unsigned long,
>  				  unsigned long, unsigned long, unsigned long);
>  

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