From: Guenter Roeck <guenter.roeck@ericsson.com>
Date: Mon, 23 Apr 2012 17:41:03 +0000 (-0700)
Subject: hwmon: (ntc_thermistor) Return error code from hwmon_device_register
X-Git-Tag: firefly_0821_release~3680^2~2793^2~6
X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=425d247680d050fe3ee7e53b9cf0240bf6b4b351;p=firefly-linux-kernel-4.4.55.git

hwmon: (ntc_thermistor) Return error code from hwmon_device_register

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>
---

diff --git a/drivers/hwmon/ntc_thermistor.c b/drivers/hwmon/ntc_thermistor.c
index 4be7faff321b..b31bf1d3172a 100644
--- a/drivers/hwmon/ntc_thermistor.c
+++ b/drivers/hwmon/ntc_thermistor.c
@@ -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;
 	}