From: Alexey Khoroshilov <khoroshilov@ispras.ru>
Date: Fri, 12 May 2017 21:36:22 +0000 (+0300)
Subject: serial: altera_jtaguart: adding iounmap()
X-Git-Tag: v4.12-rc3~2^2~10
X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=5c9d6abed9e0;p=thirdparty%2Flinux.git

serial: altera_jtaguart: adding iounmap()

The driver does ioremap(port->mapbase, ALTERA_JTAGUART_SIZE),
but there is no any iounmap().

Found by Linux Driver Verification project (linuxtesting.org).

Signed-off-by: Alexey Khoroshilov <khoroshilov@ispras.ru>
Acked-by: Tobias Klauser <tklauser@distanz.ch>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---

diff --git a/drivers/tty/serial/altera_jtaguart.c b/drivers/tty/serial/altera_jtaguart.c
index 18e3f8342b855..0475f5d261cef 100644
--- a/drivers/tty/serial/altera_jtaguart.c
+++ b/drivers/tty/serial/altera_jtaguart.c
@@ -478,6 +478,7 @@ static int altera_jtaguart_remove(struct platform_device *pdev)
 
 	port = &altera_jtaguart_ports[i].port;
 	uart_remove_one_port(&altera_jtaguart_driver, port);
+	iounmap(port->membase);
 
 	return 0;
 }