[PATCH] dme1737: Keep index within pwm_config[]

[roel.kluin at gmail.com (Roel Kluin)]

pwm_config is only 3 bytes - pwm_config[3] is out of range.

Signed-off-by: Roel Kluin <roel.kluin at gmail.com>
---
Credits to Parfait and Nathan Keynes,

diff --git a/drivers/hwmon/dme1737.c b/drivers/hwmon/dme1737.c
index 3df202a..57e8ed4 100644
--- a/drivers/hwmon/dme1737.c
+++ b/drivers/hwmon/dme1737.c
@@ -1134,7 +1134,7 @@ static ssize_t show_pwm(struct device *dev, struct device_attribute *attr,
 		res = PWM_FREQ_FROM_REG(data->pwm_freq[ix]);
 		break;
 	case SYS_PWM_ENABLE:
-		if (ix > 3) {
+		if (ix >= 3) {
 			res = 1; /* pwm[5-6] hard-wired to manual mode */
 		} else {
 			res = PWM_EN_FROM_REG(data->pwm_config[ix]);