Re: [PATCH] hwmon: coretemp: fix oops on cpu unplug

From: Guenter Roeck
Date: Tue May 01 2012 - 11:22:39 EST


On Mon, Apr 30, 2012 at 09:18:01AM -0400, Kirill A. Shutemov wrote:
> From: "Kirill A. Shutemov" <kirill.shutemov@xxxxxxxxxxxxxxx>
>
> coretemp tries to access core_data array beyond bounds on cpu unplug if
> core id of the cpu if more than NUM_REAL_CORES-1.
>
[ ... ]
>
> Signed-off-by: Kirill A. Shutemov <kirill.shutemov@xxxxxxxxxxxxxxx>

Looking at it again, you were right. Adding the check to get_core_online()
doesn't really help as the platform device is per CPU, not per core.

Applied. I'll submit a separate patch to increase NUM_REAL_CORES.

Guenter
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