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Commit 195be84a authored by Wei Yongjun's avatar Wei Yongjun Committed by Greg Kroah-Hartman
Browse files

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: default avatarWei Yongjun <yongjun_wei@trendmicro.com.cn>
Reviewed-by: default avatarIvan T. Ivanov <iivanov@mm-sol.com>
Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@linuxfoundation.org>
parent 37e1ceb1

drivers/tty/serial/msm_serial.c

+3 −1
Original line number Diff line number Diff line
@@ -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;