hwmon: (tmp421) Fix return value

Propagate return value obtained from i2c_smbus_read_byte_data()
instead of hardcoding.

Signed-off-by: Sachin Kamat <sachin.kamat@linaro.org>
Cc: Andre Prendel <andre.prendel@gmx.de>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>

diff --git a/drivers/hwmon/tmp421.c b/drivers/hwmon/tmp421.c
index 964c1d68827400ec9ac6d5ce515418c74294d3aa..ae26b06fa8190dd478456d12a637889c61bde0fe 100644 (file)
--- a/drivers/hwmon/tmp421.c
+++ b/drivers/hwmon/tmp421.c
@@ -210,7 +210,7 @@ static int tmp421_init_client(struct i2c_client *client)
        if (config < 0) {
                dev_err(&client->dev,
                        "Could not read configuration register (%d)\n", config);
-               return -ENODEV;
+               return config;
        }
 
        config_orig = config;