From: Mark Brown <broonie@kernel.org>
To: Xiubo Li <Li.Xiubo@freescale.com>
Cc: linux@roeck-us.net, gregkh@linuxfoundation.org,
linux-kernel@vger.kernel.org
Subject: Re: [PATCH] regmap: mmio: Fix the bug of 'offset' value parsing.
Date: Tue, 1 Apr 2014 13:38:22 +0100 [thread overview]
Message-ID: <20140401123822.GW2269@sirena.org.uk> (raw)
In-Reply-To: <1396247611-22289-1-git-send-email-Li.Xiubo@freescale.com>
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On Mon, Mar 31, 2014 at 02:33:31PM +0800, Xiubo Li wrote:
> 'offset = *(u32 *)reg;', this will be okey for 32/64-bit register, but
> for 8/16-bit register, the 'offset' value will overflow.
This doesn't apply against regmap-v3.15, please check and resend.
> The core trace:
> ===============
> Unable to handle kernel paging request at virtual address ffbd0000
> pgd = 871e8000
> [ffbd0000] *pgd=00000000
> Internal error: Oops: 805 [#1] ARM
> Modules linked in:
> CPU: 0 PID: 1004 Comm: sh Not tainted 3.14.0-rc6+ #990
> task: 871baa40 ti: 87090000 task.ti: 87090000
Don't paste entire backtraces into commit messages, they're enormous and
most of the detail isn't useful making it easy to miss relevant
information - either pick relevant sections or just describe the
failure.
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next prev parent reply other threads:[~2014-04-01 12:38 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-03-31 6:33 Xiubo Li
2014-04-01 12:38 ` Mark Brown [this message]
2014-04-02 3:13 ` Li.Xiubo
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