linux-kernel - Re: [PATCH 6/6] proc: use IS_ERR_OR

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Date:	Thu, 12 Apr 2012 12:26:51 -0700 (PDT)
From:	Hugh Dickins <hughd@...gle.com>
To:	KOSAKI Motohiro <kosaki.motohiro@...il.com>
cc:	Alexey Dobriyan <adobriyan@...il.com>,
	Cong Wang <xiyou.wangcong@...il.com>,
	linux-kernel@...r.kernel.org,
	Andrew Morton <akpm@...ux-foundation.org>,
	Oleg Nesterov <oleg@...hat.com>,
	Al Viro <viro@...iv.linux.org.uk>,
	Vasiliy Kulikov <segoon@...nwall.com>,
	David Rientjes <rientjes@...gle.com>,
	KOSAKI Motohiro <kosaki.motohiro@...fujitsu.com>,
	Naoya Horiguchi <n-horiguchi@...jp.nec.com>,
	Siddhesh Poyarekar <siddhesh.poyarekar@...il.com>
Subject: Re: [PATCH 6/6] proc: use IS_ERR_OR_NULL()

On Thu, 12 Apr 2012, KOSAKI Motohiro wrote:
> (4/12/12 9:23 AM), Alexey Dobriyan wrote:
> > On Wed, Apr 11, 2012 at 8:59 AM, Cong Wang<xiyou.wangcong@...il.com>
> > wrote:
> > > -       if (mm&&  !IS_ERR(mm)) {
> > > +       if (!IS_ERR_OR_NULL(mm)) {
> > 
> > I personally find original code way more readable.
> 
> personally, me too. but new one is also acceptable to me.

That now makes 4 votes that it's not an improvement, with no dissent
(unless akpm's + proc-use-is_err_or_null.patch added to -mm tree
should be counted as dissent): let's drop this patch.

Hugh
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