drm/nouveau/hwmon: fix the initialization condition

Signed-off-by: Martin Peres <martin.peres@labri.fr>
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
diff --git a/drivers/gpu/drm/nouveau/nouveau_pm.c b/drivers/gpu/drm/nouveau/nouveau_pm.c
index b9d5335..47677e3f8 100644
--- a/drivers/gpu/drm/nouveau/nouveau_pm.c
+++ b/drivers/gpu/drm/nouveau/nouveau_pm.c
@@ -706,8 +706,7 @@
 	struct device *hwmon_dev;
 	int ret = 0;
 
-	if (!therm || !therm->temp_get || !therm->attr_get ||
-		!therm->attr_set || therm->temp_get(therm) < 0)
+	if (!therm || !therm->temp_get || !therm->attr_get || !therm->attr_set)
 		return -ENODEV;
 
 	hwmon_dev = hwmon_device_register(&dev->pdev->dev);