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hwmon: (f75375s) Fix value range for PWM modes 

Accepted value range for PWM modes was 0..4, even though only 0..3 is
subsequently used. Limit permitted value range to 0..3 to avoid unpredictable
behavior.

Cc: Riku Voipio <riku.voipio@iki.fi>
Reviewed-by: Bjoern Gerhart <oss@extracloud.de>
Signed-off-by: Guenter Roeck <guenter.roeck@ericsson.com>
hifive-unleashed-5.1
Guenter Roeck 2011-12-08 10:01:25 -08:00
parent 740f6be3cc
commit 3310600aa7
1 changed files with 1 additions and 1 deletions
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2
drivers/hwmon/f75375s.c
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@ -309,7 +309,7 @@ static int set_pwm_enable_direct(struct i2c_client *client, int nr, int val)
struct f75375_data *data = i2c_get_clientdata(client);
u8 fanmode;
if (val < 0 || val > 4)
if (val < 0 || val > 3)
return -EINVAL;
fanmode = f75375_read8(client, F75375_REG_FAN_TIMER);