serial: samsung: missing uart_unregister_driver() on error in s3c24xx_serial_modinit()
Add the missing uart_unregister_driver() before return from
s3c24xx_serial_modinit() in the error handling case.
Signed-off-by: Wei Yongjun <yongjun_wei@trendmicro.com.cn>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
diff --git a/drivers/tty/serial/samsung.c b/drivers/tty/serial/samsung.c
index 8942941..1c2b8c3 100644
--- a/drivers/tty/serial/samsung.c
+++ b/drivers/tty/serial/samsung.c
@@ -1798,7 +1798,13 @@
return ret;
}
- return platform_driver_register(&samsung_serial_driver);
+ ret = platform_driver_register(&samsung_serial_driver);
+ if (ret < 0) {
+ pr_err("Failed to register platform driver\n");
+ uart_unregister_driver(&s3c24xx_uart_drv);
+ }
+
+ return ret;
}
static void __exit s3c24xx_serial_modexit(void)