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thermal_hwmon: Sanitize attribute name passed to hwmon

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My Chromebook Plus (kevin) is spitting the following at boot time:

(NULL device *): hwmon: 'sbs-9-000b' is not a valid name attribute, please fix

Clearly, __hwmon_device_register is unhappy about the property name.
Some investigation reveals that thermal_add_hwmon_sysfs doesn't
sanitize the name of the attribute.

In order to keep it quiet, let's replace '-' with '_' in hwmon->type
This is consistent with what iio-hwmon does since b92fe9e337.

Signed-off-by: Marc Zyngier <marc.zyngier@arm.com>
Tested-by: Enric Balletbo i Serra <enric.balletbo@collabora.com>
Signed-off-by: Eduardo Valentin <edubezval@gmail.com>
This commit is contained in:
Marc Zyngier 2018-07-10 16:40:34 +01:00 committed by Eduardo Valentin
parent 59d7f4a7fa
commit 409ef0baca
1 changed files with 1 additions and 0 deletions
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drivers/thermal/thermal_hwmon.c
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@ -142,6 +142,7 @@ int thermal_add_hwmon_sysfs(struct thermal_zone_device *tz)
INIT_LIST_HEAD(&hwmon->tz_list);
strlcpy(hwmon->type, tz->type, THERMAL_NAME_LENGTH);
strreplace(hwmon->type, '-', '_');
hwmon->device = hwmon_device_register_with_info(NULL, hwmon->type,
hwmon, NULL, NULL);
if (IS_ERR(hwmon->device)) {