netdev - Re: [PATCH] netlink: fix overrun in attribute iteration

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Message-ID: <19f34abd0809112242p27928541ydbfbb60ed84e34d2@mail.gmail.com>
Date:	Fri, 12 Sep 2008 07:42:36 +0200
From:	"Vegard Nossum" <vegard.nossum@...il.com>
To:	"Andrew Morton" <akpm@...ux-foundation.org>
Cc:	davem@...emloft.net, netdev@...r.kernel.org, tgraf@...g.ch,
	penberg@...helsinki.fi, mingo@...e.hu, viro@...iv.linux.org.uk,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH] netlink: fix overrun in attribute iteration

On Fri, Sep 12, 2008 at 1:52 AM, Andrew Morton
<akpm@...ux-foundation.org> wrote:
> On Thu, 11 Sep 2008 22:59:33 +0200
> Vegard Nossum <vegard.nossum@...il.com> wrote:
>
>>   #include <stdio.h>
>>
>>   main(void)
>>   {
>>           printf("%d\n", -1 >= sizeof(int));
>>   }
>>
>
> akpm:/home/akpm> gcc -W t.c
> t.c: In function 'main':
> t.c:5: warning: comparison between signed and unsigned
>
> Make of that what you will :)

It doesn't show up with -Wall and the kernel isn't compiled with -W
(aka. -Wextra) as far as I can see. Should it be turned on?


Vegard

-- 
"The animistic metaphor of the bug that maliciously sneaked in while
the programmer was not looking is intellectually dishonest as it
disguises that the error is the programmer's own creation."
	-- E. W. Dijkstra, EWD1036
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