hwmon: (ntc_thermistor) Return error code from hwmon_device_register
authorGuenter Roeck <guenter.roeck@ericsson.com>
Mon, 23 Apr 2012 17:41:03 +0000 (10:41 -0700)
committerGuenter Roeck <guenter.roeck@ericsson.com>
Mon, 21 May 2012 02:41:49 +0000 (19:41 -0700)
hwmon_device_register() never returns a NULL pointer in case of errors, but
an error value. Use it.

Signed-off-by: Guenter Roeck <guenter.roeck@ericsson.com>
Reviewed-by: Robert Coulson <robert.coulson@ericsson.com>
drivers/hwmon/ntc_thermistor.c

index 4be7faff321b97fd756c0fb3f626b5ec5c92c3ca..b31bf1d3172aab084ae2b961a051fea2daae937f 100644 (file)
@@ -382,9 +382,9 @@ static int __devinit ntc_thermistor_probe(struct platform_device *pdev)
        }
 
        data->hwmon_dev = hwmon_device_register(data->dev);
-       if (IS_ERR_OR_NULL(data->hwmon_dev)) {
+       if (IS_ERR(data->hwmon_dev)) {
                dev_err(data->dev, "unable to register as hwmon device.\n");
-               ret = -EINVAL;
+               ret = PTR_ERR(data->hwmon_dev);
                goto err_after_sysfs;
        }