pandora: reserve CMA area for c64_tools
[pandora-kernel.git] / drivers / hwmon / sht15.c
index fe4104c..3e3153e 100644 (file)
@@ -883,7 +883,7 @@ static int sht15_invalidate_voltage(struct notifier_block *nb,
 
 static int __devinit sht15_probe(struct platform_device *pdev)
 {
-       int ret = 0;
+       int ret;
        struct sht15_data *data = kzalloc(sizeof(*data), GFP_KERNEL);
        u8 status = 0;
 
@@ -901,6 +901,7 @@ static int __devinit sht15_probe(struct platform_device *pdev)
        init_waitqueue_head(&data->wait_queue);
 
        if (pdev->dev.platform_data == NULL) {
+               ret = -EINVAL;
                dev_err(&pdev->dev, "no platform data supplied\n");
                goto err_free_data;
        }
@@ -925,7 +926,13 @@ static int __devinit sht15_probe(struct platform_device *pdev)
                if (voltage)
                        data->supply_uV = voltage;
 
-               regulator_enable(data->reg);
+               ret = regulator_enable(data->reg);
+               if (ret != 0) {
+                       dev_err(&pdev->dev,
+                               "failed to enable regulator: %d\n", ret);
+                       goto err_free_data;
+               }
+
                /*
                 * Setup a notifier block to update this if another device
                 * causes the voltage to change