hwmon: (w83793) Remove duplicate NULL check

Since i2c_unregister_device() became NULL-aware we may remove duplicate
NULL check.

Cc: Rudolf Marek <r.marek@assembler.cz>
Cc: Jean Delvare <jdelvare@suse.com>
Cc: Guenter Roeck <linux@roeck-us.net>
Cc: linux-hwmon@vger.kernel.org
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Reviewed-by: Jean Delvare <jdelvare@suse.de>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>

diff --git a/drivers/hwmon/w83793.c b/drivers/hwmon/w83793.c
index 5ba9d9f1daa1f5f65933edd58bc32adb8525e10b..0af0f6283b353f36a9344a189660426642ef17fa 100644 (file)
--- a/drivers/hwmon/w83793.c
+++ b/drivers/hwmon/w83793.c
@@ -1564,10 +1564,8 @@ static int w83793_remove(struct i2c_client *client)
        for (i = 0; i < ARRAY_SIZE(w83793_temp); i++)
                device_remove_file(dev, &w83793_temp[i].dev_attr);
 
-       if (data->lm75[0] != NULL)
-               i2c_unregister_device(data->lm75[0]);
-       if (data->lm75[1] != NULL)
-               i2c_unregister_device(data->lm75[1]);
+       i2c_unregister_device(data->lm75[0]);
+       i2c_unregister_device(data->lm75[1]);
 
        /* Decrease data reference counter */
        mutex_lock(&watchdog_data_mutex);
@@ -1625,8 +1623,7 @@ w83793_detect_subclients(struct i2c_client *client)
        /* Undo inits in case of errors */
 
 ERROR_SC_1:
-       if (data->lm75[0] != NULL)
-               i2c_unregister_device(data->lm75[0]);
+       i2c_unregister_device(data->lm75[0]);
 ERROR_SC_0:
        return err;
 }
@@ -1962,10 +1959,8 @@ exit_remove:
        for (i = 0; i < ARRAY_SIZE(w83793_temp); i++)
                device_remove_file(dev, &w83793_temp[i].dev_attr);
 
-       if (data->lm75[0] != NULL)
-               i2c_unregister_device(data->lm75[0]);
-       if (data->lm75[1] != NULL)
-               i2c_unregister_device(data->lm75[1]);
+       i2c_unregister_device(data->lm75[0]);
+       i2c_unregister_device(data->lm75[1]);
 free_mem:
        kfree(data);
 exit: