From: Wei Yongjun <yongjun_wei@trendmicro.com.cn>
Date: Wed, 17 Jul 2013 05:34:09 +0000 (+0800)
Subject: msm_serial: add missing iounmap() on error in msm_request_port()
X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=195be84aaae50af84c833d91c81af015091ec86d;p=GitHub%2FLineageOS%2Fandroid_kernel_motorola_exynos9610.git

msm_serial: add missing iounmap() on error in msm_request_port()

Add the missing iounmap() before return from msm_request_port()
in the error handling case.

Signed-off-by: Wei Yongjun <yongjun_wei@trendmicro.com.cn>
Reviewed-by: Ivan T. Ivanov <iivanov@mm-sol.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---

diff --git a/drivers/tty/serial/msm_serial.c b/drivers/tty/serial/msm_serial.c
index 2c6cfb3cf032..0b38b288ed5b 100644
--- a/drivers/tty/serial/msm_serial.c
+++ b/drivers/tty/serial/msm_serial.c
@@ -637,7 +637,7 @@ static int msm_request_port(struct uart_port *port)
 		if (!request_mem_region(gsbi_resource->start, size,
 						 "msm_serial")) {
 			ret = -EBUSY;
-			goto fail_release_port;
+			goto fail_release_port_membase;
 		}
 
 		msm_port->gsbi_base = ioremap(gsbi_resource->start, size);
@@ -651,6 +651,8 @@ static int msm_request_port(struct uart_port *port)
 
 fail_release_gsbi:
 	release_mem_region(gsbi_resource->start, size);
+fail_release_port_membase:
+	iounmap(port->membase);
 fail_release_port:
 	release_mem_region(port->mapbase, size);
 	return ret;