Re: [PATCH] thermal: Fix for setting the thermal zone mode to enable/disable

From: Eric Paris
Date: Wed Mar 21 2012 - 10:47:52 EST


On Wed, Mar 21, 2012 at 10:13 AM, Jean Delvare <khali@xxxxxxxxxxxx> wrote:
> On Wed, 21 Mar 2012 16:40:01 +0530, Amit Daniel Kachhap wrote:
>> Basically without this patch changing the mode of thermal zone
>> is not possible as wrong string size is passed to strncmp.
>
> Actually it is possible,
> $ echo -n disabled > mode
> works fine. But it fails without the -n, your patch would fix that.
>
> Acked-by: Jean Delvare <khali@xxxxxxxxxxxx>
>
> Note that a quick grep suggests that drivers/misc/ad525x_dpot.c,
> security/selinux/hooks.c and arch/m68k/sun3/prom/console.c suffer from
> the same issue, if you want to fix them too.

I do see that we use sizeof() for strings in the selinux code, but I
don't see a place that it is a bug. If you see a bug let me know and
I'd be happy to fix it!

-Eric
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