svn commit: r334000 - head/sys/dev/usb/serial

[Andriy Gapon]

Author: avg
Date: Mon May 21 21:00:13 2018
New Revision: 334000
URL: https://svnweb.freebsd.org/changeset/base/334000

Log:
  uchcom: reject parity and double stop bits as unsupported
  
  Reviewed by:	hselasky
  MFC after:	2 weeks

Modified:
  head/sys/dev/usb/serial/uchcom.c

Modified: head/sys/dev/usb/serial/uchcom.c
==============================================================================
--- head/sys/dev/usb/serial/uchcom.c	Mon May 21 20:59:15 2018	(r333999)
+++ head/sys/dev/usb/serial/uchcom.c	Mon May 21 21:00:13 2018	(r334000)
@@ -689,6 +689,10 @@ uchcom_pre_param(struct ucom_softc *ucom, struct termi
 	default:
 		return (EIO);
 	}
+	if ((t->c_cflag & CSTOPB) != 0)
+		return (EIO);
+	if ((t->c_cflag & PARENB) != 0)
+		return (EIO);
 
 	if (uchcom_calc_divider_settings(&dv, t->c_ospeed)) {
 		return (EIO);