From: Wei Yongjun <yongjun_wei@trendmicro.com.cn>
Date: Sat, 27 Apr 2013 10:14:56 +0000 (+0800)
Subject: TTY: ehv_bytechan: add missing platform_driver_unregister() when module exit
X-Git-Url: http://git.lede-project.org./?a=commitdiff_plain;h=df957d2b9c5c8aa12f050f94c9f15236fb0e51f1;p=openwrt%2Fstaging%2Fblogic.git

TTY: ehv_bytechan: add missing platform_driver_unregister() when module exit

We have registered platform driver when module init, and
need unregister it when module exit.

Signed-off-by: Wei Yongjun <yongjun_wei@trendmicro.com.cn>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---

diff --git a/drivers/tty/ehv_bytechan.c b/drivers/tty/ehv_bytechan.c
index 6d0c27cd03da..9bffcec5ad82 100644
--- a/drivers/tty/ehv_bytechan.c
+++ b/drivers/tty/ehv_bytechan.c
@@ -859,6 +859,7 @@ error:
  */
 static void __exit ehv_bc_exit(void)
 {
+	platform_driver_unregister(&ehv_bc_tty_driver);
 	tty_unregister_driver(ehv_bc_driver);
 	put_tty_driver(ehv_bc_driver);
 	kfree(bcs);