lkml.org 
[lkml]   [2014]   [Feb]   [13]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
From
SubjectRe: [PATCH] hwmon: (ntc_thermistor): Avoid overflow
On 02/13/2014 02:39 PM, Doug Anderson wrote:
> The ntc thermistor code was doing math whose temporary result might
> have overflowed 32-bits. We need some casts in there to make it safe.
>
> In one example I found:
> - pullup_uV: 1800000
> - result of iio_read_channel_raw: 3226
> - 1800000 * 3226 => 0x15a1cbc80
>
> Signed-off-by: Doug Anderson <dianders@chromium.org>

Nice catch. Applied.

Thanks,
Guenter




\
 
 \ /
  Last update: 2014-02-14 04:21    [W:0.099 / U:0.432 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site