From 2b359172e013c6b1b7e424e5be92a70fc7cceaaf Mon Sep 17 00:00:00 2001
From: Wei Yongjun <yongjun_wei@trendmicro.com.cn>
Date: Thu, 25 Apr 2013 09:17:23 +0800
Subject: [PATCH] serial: mcf: missing uart_unregister_driver() on error in
 mcf_init()

Add the missing uart_unregister_driver() before return
from mcf_init() in the error handling case.

Signed-off-by: Wei Yongjun <yongjun_wei@trendmicro.com.cn>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
 drivers/tty/serial/mcf.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/drivers/tty/serial/mcf.c b/drivers/tty/serial/mcf.c
index e956377a38fe..65be0c00c4bf 100644
--- a/drivers/tty/serial/mcf.c
+++ b/drivers/tty/serial/mcf.c
@@ -707,8 +707,10 @@ static int __init mcf_init(void)
 	if (rc)
 		return rc;
 	rc = platform_driver_register(&mcf_platform_driver);
-	if (rc)
+	if (rc) {
+		uart_unregister_driver(&mcf_driver);
 		return rc;
+	}
 	return 0;
 }