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hwmon: (w83793) Remove duplicate NULL check

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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>
This commit is contained in:
Andy Shevchenko 2017-10-31 16:21:46 +02:00 committed by Guenter Roeck
parent c85a78b078
commit 7adce422dd
1 changed files with 5 additions and 10 deletions
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15
drivers/hwmon/w83793.c
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@ -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: