linux-kernel - Re: [PATCH] sys_waitid: return -EFAULT for NULL

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Message-ID: <cfd18e0f0901131613l65bff51fo22e86a01ba2c0720@mail.gmail.com>
Date:	Wed, 14 Jan 2009 13:13:54 +1300
From:	"Michael Kerrisk" <mtk.manpages@...glemail.com>
To:	"Roland McGrath" <roland@...hat.com>
Cc:	"Andrew Morton" <akpm@...ux-foundation.org>,
	torvalds@...ux-foundation.org, linux-kernel@...r.kernel.org,
	drepper@...hat.com, vegard.nossum@...il.com,
	linux-man@...r.kernel.org, stable@...nel.org
Subject: Re: [PATCH] sys_waitid: return -EFAULT for NULL

On Wed, Jan 14, 2009 at 12:47 PM, Roland McGrath <roland@...hat.com> wrote:
>> Well yes.  waitid() has been in there since 2.6.9.  I assume that it
>> has had this wait4-emulation mode for that amount of time as well?
>
> Correct.
>
>> Well, we might get away with it.  But formally speaking, we should live
>> with our Linux-specific screwup.
>
> I agree with both of you and I don't care which we do.

I don't feel strongly about this, but lean towards the idea that we
should fix things, as per Roland's patch, and I suspect we can get
away with it, for the reasons I mentioned already.


-- 
Michael Kerrisk
Linux man-pages maintainer; http://www.kernel.org/doc/man-pages/
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