linux-kernel - Re: [PATCH 1/1] fs/binfmt_elf.c: fill_note

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Message-ID: <CAGG-pUT+VvYad5ykOkDTwt9-DRspo56FaD5HzOZuyaZA7+KkDw@mail.gmail.com>
Date:	Sat, 28 Sep 2013 20:42:24 -0300
From:	Geyslan Gregório Bem <geyslan@...il.com>
To:	ericvh@...il.com, rminnich@...dia.gov, lucho@...kov.net
Cc:	v9fs-developer@...ts.sourceforge.net, linux-kernel@...r.kernel.org,
	"Geyslan G. Bem" <geyslan@...il.com>
Subject: Re: [PATCH 1/1] fs/binfmt_elf.c: fill_note_info: Reduce scope of a variable

Please, disconsider this e-mail.

Geyslan Gregório Bem
hackingbits.com


2013/9/28 Geyslan G. Bem <geyslan@...il.com>:
> The *t variable in the fill_note_info function is only used if
> siginfo->si_signo isn't 0. Moving "t" pointer to that inner scope.
>
> Tested.
>
> Signed-off-by: Geyslan G. Bem <geyslan@...il.com>
> ---
>  fs/binfmt_elf.c | 3 +--
>  1 file changed, 1 insertion(+), 2 deletions(-)
>
> diff --git a/fs/binfmt_elf.c b/fs/binfmt_elf.c
> index 100edcc..d0ac15b 100644
> --- a/fs/binfmt_elf.c
> +++ b/fs/binfmt_elf.c
> @@ -1848,12 +1848,11 @@ static int fill_note_info(struct elfhdr *elf, int phdrs,
>                           struct elf_note_info *info,
>                           siginfo_t *siginfo, struct pt_regs *regs)
>  {
> -       struct list_head *t;
> -
>         if (!elf_note_info_init(info))
>                 return 0;
>
>         if (siginfo->si_signo) {
> +               struct list_head *t;
>                 struct core_thread *ct;
>                 struct elf_thread_status *ets;
>
> --
> 1.8.4
>
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