Commit 3310600a authored Dec 08, 2011 by Guenter Roeck

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>

parent 740f6be3

drivers/hwmon/f75375s.c

+1 −1

Original line number	Diff line number	Diff line
		@@ -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);