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From: Amerigo Wang <amwang@redhat.com>
To: Andrew Morton <akpm@linux-foundation.org>
Cc: linux-kernel@vger.kernel.org, viro@zeniv.linux.org.uk,
	roland@redhat.com, serue@us.ibm.com, dhowells@redhat.com,
	jmorris@namei.org, linux-fsdevel@vger.kernel.org
Subject: Re: [Patch 2/3] elf: clean up fill_note_info()
Date: Thu, 02 Jul 2009 17:40:26 +0800	[thread overview]
Message-ID: <4A4C808A.9010302@redhat.com> (raw)
In-Reply-To: <20090701122955.da45e073.akpm@linux-foundation.org>

Andrew Morton wrote:
> On Wed, 1 Jul 2009 01:06:36 -0400
> Amerigo Wang <amwang@redhat.com> wrote:
>
>   
>> +#define	NUM_NOTES	6
>>  	info->notes = kmalloc(NUM_NOTES * sizeof(struct memelfnote),
>>  			      GFP_KERNEL);
>> +#undef NUM_NOTES
>>     
>
> That #define amounts to a really perverse code comment.
>
> How about we do this?
>   


Ah, better! No problem for me.

Thank you!
> --- a/fs/binfmt_elf.c~elf-clean-up-fill_note_info-fix
> +++ a/fs/binfmt_elf.c
> @@ -1719,10 +1719,8 @@ static int elf_note_info_init(struct elf
>  	memset(info, 0, sizeof(*info));
>  	INIT_LIST_HEAD(&info->thread_list);
>  
> -#define	NUM_NOTES	6
> -	info->notes = kmalloc(NUM_NOTES * sizeof(struct memelfnote),
> -			      GFP_KERNEL);
> -#undef NUM_NOTES
> +	/* Allocate space for six ELF notes */
> +	info->notes = kmalloc(6 * sizeof(struct memelfnote), GFP_KERNEL);
>  	if (!info->notes)
>  		return 0;
>  	info->psinfo = kmalloc(sizeof(*info->psinfo), GFP_KERNEL);
> _
>
>   


  reply	other threads:[~2009-07-02  9:38 UTC|newest]

Thread overview: 10+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2009-07-01  5:06 [Patch 1/3] elf: fix one check-after-use Amerigo Wang
2009-07-01  5:06 ` [Patch 2/3] elf: clean up fill_note_info() Amerigo Wang
2009-07-01 19:29   ` Andrew Morton
2009-07-02  9:40     ` Amerigo Wang [this message]
2009-07-01  5:06 ` [Patch 3/3] elf: use a macro instead of a raw number Amerigo Wang
2009-07-01  7:38   ` Roland McGrath
2009-07-02  9:38     ` Amerigo Wang
2009-07-02  9:55       ` Roland McGrath
2009-07-01  7:39 ` [Patch 1/3] elf: fix one check-after-use Roland McGrath
2009-07-01 15:13 ` James Morris

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