hwmon: (jc42) Fix integer overflow

Mixed use of long and int caused an integer overflow when writing large limits.

Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Reviewed-by: Jean Delvare <jdelvare@suse.de>

diff --git a/drivers/hwmon/jc42.c b/drivers/hwmon/jc42.c
index 262d8086822f5d2daf877e37dab6e1badadc8ef8..f8e3bbbf019cf23b772300a6934bfe7942b398f1 100644 (file)
--- a/drivers/hwmon/jc42.c
+++ b/drivers/hwmon/jc42.c
@@ -201,7 +201,7 @@ struct jc42_data {
 #define JC42_TEMP_MIN          0
 #define JC42_TEMP_MAX          125000
 
-static u16 jc42_temp_to_reg(int temp, bool extended)
+static u16 jc42_temp_to_reg(long temp, bool extended)
 {
        int ntemp = clamp_val(temp,
                              extended ? JC42_TEMP_MIN_EXTENDED :