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Date: Thu, 12 Apr 2012 16:23:57 +0300
Message-ID: <CACVxJT_o-mR5u2XgDbECDM-SSR18j+wDY8pd7=Jb+FGCz4SSTQ@mail.gmail.com>
Subject: Re: [PATCH 6/6] proc: use IS_ERR_OR_NULL()
From: Alexey Dobriyan <adobriyan@gmail.com>
To: Cong Wang <xiyou.wangcong@gmail.com>
Cc: linux-kernel@vger.kernel.org, Andrew Morton <akpm@linux-foundation.org>,
        Oleg Nesterov <oleg@redhat.com>, Al Viro <viro@zeniv.linux.org.uk>,
        Vasiliy Kulikov <segoon@openwall.com>,
        David Rientjes <rientjes@google.com>, Hugh Dickins <hughd@google.com>,
        KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com>,
        Naoya Horiguchi <n-horiguchi@ah.jp.nec.com>,
        Siddhesh Poyarekar <siddhesh.poyarekar@gmail.com>
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On Wed, Apr 11, 2012 at 8:59 AM, Cong Wang <xiyou.wangcong@gmail.com> wrote:
> -       if (mm && !IS_ERR(mm)) {
> +       if (!IS_ERR_OR_NULL(mm)) {

I personally find original code way more readable.