linux-kernel - Re: [PATCH] fs: prevent double-free on an error path in core dumper

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Message-ID: <1347426367.29533.13.camel@cr0>
Date:	Wed, 12 Sep 2012 13:06:07 +0800
From:	Cong Wang <amwang@...hat.com>
To:	Oleg Nesterov <oleg@...hat.com>
Cc:	Denys Vlasenko <vda.linux@...glemail.com>,
	linux-kernel@...r.kernel.org,
	Andrew Morton <akpm@...ux-foundation.org>,
	Roland McGrath <roland@...k.frob.com>
Subject: Re: [PATCH] fs: prevent double-free on an error path in core dumper

On Tue, 2012-09-11 at 17:59 +0200, Oleg Nesterov wrote:
> But, again, the caller does free_note_info(), so why
> elf_note_info_init()
> tries to handle the kmalloc failures? Afaics, we can simplify the code
> and fix the bug.
> 
> What do you think about the patch below? 

Looks reasonable and neat. :)


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