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Date:	Tue, 26 Jan 2010 16:06:32 -0800
From:	Andrew Morton <akpm@...ux-foundation.org>
To:	Thiago Farina <tfransosi@...il.com>
Cc:	linux-kernel@...r.kernel.org,
	Alexander Viro <viro@...iv.linux.org.uk>,
	Roland McGrath <roland@...hat.com>,
	WANG Cong <amwang@...hat.com>,
	Hugh Dickins <hugh.dickins@...cali.co.uk>,
	linux-fsdevel@...r.kernel.org
Subject: Re: [PATCH] fs/binfmt_elf.c: fix a do-while statement.

On Wed, 20 Jan 2010 23:03:53 -0500
Thiago Farina <tfransosi@...il.com> wrote:

> warning: do-while statement is not a compound statement
> 
> Signed-off-by: Thiago Farina <tfransosi@...il.com>
> ---
>  fs/binfmt_elf.c |    4 ++--
>  1 files changed, 2 insertions(+), 2 deletions(-)
> 
> diff --git a/fs/binfmt_elf.c b/fs/binfmt_elf.c
> index edd90c4..75d6468 100644
> --- a/fs/binfmt_elf.c
> +++ b/fs/binfmt_elf.c
> @@ -1404,9 +1404,9 @@ static void fill_auxv_note(struct memelfnote *note, struct mm_struct *mm)
>  {
>  	elf_addr_t *auxv = (elf_addr_t *) mm->saved_auxv;
>  	int i = 0;
> -	do
> +	do {
>  		i += 2;
> -	while (auxv[i - 2] != AT_NULL);
> +	} while (auxv[i - 2] != AT_NULL);
>  	fill_note(note, "CORE", NT_AUXV, i * sizeof(elf_addr_t), auxv);
>  }

hmpf.  Which tool emitted that warning?  sparse?

It is somewhat unconventional coding style and it'd be good if
checkpatch were to warn so that we don't _add_ such things to the tree.

But IMO it's such a minor thing that once it _is_ in the tree, it's not
really worth the patch noise to go and fix it up.


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