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Date:   Tue, 18 Nov 2014 21:48:28 +0100
From:   Ralf Baechle <ralf@linux-mips.org>
To:     bin.jiang@windriver.com
Cc:     linux-mips@linux-mips.org
Subject: Re: [PATCH] MIPS: get_user: set the parameter @x to zero on error
Message-ID: <20141118204827.GG24165@linux-mips.org>
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 <20141118112258.GQ24983@linux-mips.org>
 <20141118171947.GA22757@linux-mips.org>
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On Tue, Nov 18, 2014 at 06:19:48PM +0100, Ralf Baechle wrote:

FWIW, I dove into the history of this.  The issue got introduced in
4feb8f8f ([MIPS] Bullet proof uaccess.h against 4.0.1 miss-compilation.),
then backported to 2.4.

  Ralf