linux-kernel - [PATCH] serial: altera_jtaguart: adding iounmap()

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Date:   Sat, 13 May 2017 00:36:22 +0300
From:   Alexey Khoroshilov <khoroshilov@...ras.ru>
To:     Tobias Klauser <tklauser@...tanz.ch>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>
Cc:     Alexey Khoroshilov <khoroshilov@...ras.ru>,
        Jiri Slaby <jslaby@...e.com>, linux-serial@...r.kernel.org,
        nios2-dev@...ts.rocketboards.org, linux-kernel@...r.kernel.org,
        ldv-project@...uxtesting.org
Subject: [PATCH] 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@...ras.ru>
---
 drivers/tty/serial/altera_jtaguart.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/tty/serial/altera_jtaguart.c b/drivers/tty/serial/altera_jtaguart.c
index 18e3f8342b85..0475f5d261ce 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;
 }
-- 
2.7.4