linux-kernel - Re: [PATCH 1/3] proc: return -ENOMEM when inode allocation failed

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Message-Id: <20120904154143.f6bcbdb4.akpm@linux-foundation.org>
Date:	Tue, 4 Sep 2012 15:41:43 -0700
From:	Andrew Morton <akpm@...ux-foundation.org>
To:	yan yan <clouds.yan@...il.com>
Cc:	Cong Wang <xiyou.wangcong@...il.com>, linux-kernel@...r.kernel.org
Subject: Re: [PATCH 1/3] proc: return -ENOMEM when inode allocation failed

On Tue, 4 Sep 2012 17:22:15 +0800
yan yan <clouds.yan@...il.com> wrote:

> 2012/9/4 Cong Wang <xiyou.wangcong@...il.com>:
> > On 09/03/2012 10:14 PM, yan wrote:
> >>
> >> Signed-off-by: yan <clouds.yan@...il.com>
> >
> >
> > Please provide a changelog to explain why we need this patch.
> 
> I think the title is self explained.

Given this review feedback, the title alone was obviously insufficient!

I provided the following changelog text:

: If proc_get_inode() returns NULL then presumably it encountered memory
: exhaustion.  proc_lookup_de() should return -ENOMEM in this case, not
: -EINVAL.


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