Unverified Commit 3da0242c authored by openeuler-ci-bot's avatar openeuler-ci-bot Committed by Gitee
Browse files

!9383 serial: max3100: Update uart_driver_registered on driver removal 

Merge Pull Request from: @ci-robot 
 
PR sync from: Yi Yang <yiyang13@huawei.com>
https://mailweb.openeuler.org/hyperkitty/list/kernel@openeuler.org/message/B5HV4BN3PL43MTF56TBP6R4WS5SAYJPQ/ 
 
https://gitee.com/src-openeuler/kernel/issues/IA7D2Z 
 
Link:https://gitee.com/openeuler/kernel/pulls/9383

 

Reviewed-by: default avatarJialin Zhang <zhangjialin11@huawei.com>
Signed-off-by: default avatarJialin Zhang <zhangjialin11@huawei.com>
parents 146b51e5 5b25fdc9

drivers/tty/serial/max3100.c

+3 −1
Original line number Diff line number Diff line
@@ -754,13 +754,14 @@ static int max3100_probe(struct spi_device *spi) 
	mutex_lock(&max3100s_lock);



	if (!uart_driver_registered) {

		uart_driver_registered = 1;

		retval = uart_register_driver(&max3100_uart_driver);

		if (retval) {

			printk(KERN_ERR "Couldn't register max3100 uart driver\n");

			mutex_unlock(&max3100s_lock);

			return retval;

		}



		uart_driver_registered = 1;

	}



	for (i = 0; i < MAX_MAX3100; i++)
@@ -846,6 +847,7 @@ static int max3100_remove(struct spi_device *spi) 
		}

	pr_debug("removing max3100 driver\n");

	uart_unregister_driver(&max3100_uart_driver);

	uart_driver_registered = 0;



	mutex_unlock(&max3100s_lock);

	return 0;