diff options
| author | Ben Skeggs <bskeggs@redhat.com> | 2012-01-23 12:58:33 +1000 |
|---|---|---|
| committer | Ben Skeggs <bskeggs@redhat.com> | 2012-03-13 17:06:53 +1000 |
| commit | 3d8a408c43828d586629204fe22134ae8f39b8be (patch) | |
| tree | 441bba95c8d4c4e5eb83c42d14b9b8227aee095d /drivers/gpu/drm/nouveau/nouveau_pm.c | |
| parent | 1a5f985c17c31367d1cd89db2278e0420c81d635 (diff) | |
drm/nouveau/pm: avoid potential divide-by-zero
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
Signed-off-by: Martin Peres <martin.peres@labri.fr>
Diffstat (limited to 'drivers/gpu/drm/nouveau/nouveau_pm.c')
| -rw-r--r-- | drivers/gpu/drm/nouveau/nouveau_pm.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/gpu/drm/nouveau/nouveau_pm.c b/drivers/gpu/drm/nouveau/nouveau_pm.c index 08c563dfa28..6e3851e1a1d 100644 --- a/drivers/gpu/drm/nouveau/nouveau_pm.c +++ b/drivers/gpu/drm/nouveau/nouveau_pm.c @@ -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; |