msm_serial: add missing iounmap() on error in msm_request_port()
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 <b8f9cab8be13de37b9588aedad10a20fc3a68783@trendmicro.com.cn>
Reviewed-by: Ivan T. Ivanov <208ef6efe627996e2eb34e6247286f816e56d743@mm-sol.com>
Signed-off-by: Greg Kroah-Hartman <4645f7897fd33786a2ee1264d590b3c400559d85@linuxfoundation.org>

KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs