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Commit 7b43dd19 authored by Andy Shevchenko's avatar Andy Shevchenko Committed by Wolfram Sang
Browse files

i2c: Make i2c_unregister_device() NULL-aware 



It's a common pattern to be NULL-aware when freeing resources.

Signed-off-by: default avatarAndy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: default avatarWolfram Sang <wsa@the-dreams.de>
parent da24b824

drivers/i2c/i2c-core-base.c

+3 −2
Original line number Diff line number Diff line
@@ -819,6 +819,8 @@ EXPORT_SYMBOL_GPL(i2c_new_device); 
 */

void i2c_unregister_device(struct i2c_client *client)

{

	if (!client)

		return;

	if (client->dev.of_node)

		of_node_clear_flag(client->dev.of_node, OF_POPULATED);

	if (ACPI_COMPANION(&client->dev))
@@ -1436,7 +1438,6 @@ static int __unregister_client(struct device *dev, void *dummy) 
static int __unregister_dummy(struct device *dev, void *dummy)

{

	struct i2c_client *client = i2c_verify_client(dev);

	if (client)

	i2c_unregister_device(client);

	return 0;

}