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Code Pull requests 5 Wiki Activity

drm/nouveau/pm: avoid potential divide-by-zero

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Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
Signed-off-by: Martin Peres <martin.peres@labri.fr>
This commit is contained in:
Ben Skeggs 2012-01-23 12:58:33 +10:00
parent 1a5f985c17
commit 3d8a408c43
1 changed files with 1 additions and 1 deletions
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2
drivers/gpu/drm/nouveau/nouveau_pm.c
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@ -50,7 +50,7 @@ nouveau_pwmfan_get(struct drm_device *dev)
ret = nouveau_gpio_find(dev, 0, DCB_GPIO_PWM_FAN, 0xff, &gpio);
if (ret == 0) {
ret = pm->pwm_get(dev, gpio.line, &divs, &duty);
if (ret == 0) {
if (ret == 0 && divs) {
divs = max(divs, duty);
if (dev_priv->card_type <= NV_40 || (gpio.log[0] & 1))
duty = divs - duty;