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| /openbmc/linux/drivers/hwmon/ |
| H A D | pt5161l.c | 3ae6b163 Mon Aug 19 05:46:30 CDT 2024 Cosmo Chou <chou.cosmo@gmail.com> hwmon: (pt5161l) Fix invalid temperature reading
The temperature reading function was using a signed long for the ADC
code, which could lead to mishandling of invalid codes on 32-bit
platforms. This allowed out-of-range ADC codes to be incorrectly
interpreted as valid values and used in temperature calculations.
Change adc_code to u32 to ensure that invalid ADC codes are correctly
identified on all platforms.
Fixes: 1b2ca93cd059 ("hwmon: Add driver for Astera Labs PT5161L retimer")
Signed-off-by: Cosmo Chou <chou.cosmo@gmail.com>
Message-ID: <20240819104630.2375441-1-chou.cosmo@gmail.com>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
(cherry picked from commit 7bbc079531fc38d401e1c4088d4981435a8828e3)
Signed-off-by: Andrew Jeffery <andrew@codeconstruct.com.au>
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