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hwmon: (cros_ec) Fix access to restricted __le16

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0-day complains:

drivers-hwmon-cros_ec_hwmon.c:sparse:sparse:cast-to-restricted-__le16

Fix by using a __le16 typed variable as parameter to le16_to_cpu().

Fixes: bc3e452580 ("hwmon: add ChromeOS EC driver")
Cc: Thomas Weißschuh <linux@weissschuh.net>
Cc: Tzung-Bi Shih <tzungbi@kernel.org>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Acked-by: Thomas Weißschuh <linux@weissschuh.net>
Link: https://lore.kernel.org/r/20240606180507.3332237-1-linux@roeck-us.net
Signed-off-by: Tzung-Bi Shih <tzungbi@kernel.org>
This commit is contained in:
Guenter Roeck 2024-06-06 11:05:07 -07:00 • committed by Tzung-Bi Shih
parent 1f72dd0462
commit c8a4bdca92
1 changed files with 3 additions and 2 deletions
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5
drivers/hwmon/cros_ec_hwmon.c
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@ -26,12 +26,13 @@ struct cros_ec_hwmon_priv {
static int cros_ec_hwmon_read_fan_speed(struct cros_ec_device *cros_ec, u8 index, u16 *speed)
{
int ret;
__le16 __speed;
ret = cros_ec_cmd_readmem(cros_ec, EC_MEMMAP_FAN + index * 2, 2, speed);
ret = cros_ec_cmd_readmem(cros_ec, EC_MEMMAP_FAN + index * 2, 2, &__speed);
if (ret < 0)
return ret;
*speed = le16_to_cpu(*speed);
*speed = le16_to_cpu(__speed);
return 0;
}