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dme1737: Keep index within pwm_config[]

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The static code scanner "Parfait" reported this because pwm_config is
only 3 bytes - pwm_config[3] is out of range.

Since this code path is never called with ix == 3 (the device has no PWM4
output) this doesn't change anything in practice.  But to encourage
testing with Parfait, lets make the warning go away...

Signed-off-by: Roel Kluin <roel.kluin@gmail.com>
Acked-by: Jean Delvare <khali@linux-fr.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Roel Kluin 2009-09-22 16:43:41 -07:00 committed by Linus Torvalds
parent 54fdade1c3
commit 912e837aef
1 changed files with 1 additions and 1 deletions
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2
drivers/hwmon/dme1737.c
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@ -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]); res = PWM_FREQ_FROM_REG(data->pwm_freq[ix]);
break; break;
case SYS_PWM_ENABLE: case SYS_PWM_ENABLE:
if (ix > 3) { if (ix >= 3) {
res = 1; /* pwm[5-6] hard-wired to manual mode */ res = 1; /* pwm[5-6] hard-wired to manual mode */
} else { } else {
res = PWM_EN_FROM_REG(data->pwm_config[ix]); res = PWM_EN_FROM_REG(data->pwm_config[ix]);