Module Name: src
Committed By: jakllsch
Date: Sat Jan 14 20:51:00 UTC 2012
Modified Files:
src/sys/dev/usb: ucom.c
Log Message:
Stopgap XXX kludge for PR kern/42848 and PR kern/45013.
Someone should really find and fix the real problem,
but it's better to not crash in the meantime.
To generate a diff of this commit:
cvs rdiff -u -r1.95 -r1.96 src/sys/dev/usb/ucom.c
Please note that diffs are not public domain; they are subject to the
copyright notices on the relevant files.
Modified files:
Index: src/sys/dev/usb/ucom.c
diff -u src/sys/dev/usb/ucom.c:1.95 src/sys/dev/usb/ucom.c:1.96
--- src/sys/dev/usb/ucom.c:1.95 Sat Jan 14 20:41:49 2012
+++ src/sys/dev/usb/ucom.c Sat Jan 14 20:51:00 2012
@@ -1,4 +1,4 @@
-/* $NetBSD: ucom.c,v 1.95 2012/01/14 20:41:49 jakllsch Exp $ */
+/* $NetBSD: ucom.c,v 1.96 2012/01/14 20:51:00 jakllsch Exp $ */
/*
* Copyright (c) 1998, 2000 The NetBSD Foundation, Inc.
@@ -34,7 +34,7 @@
*/
#include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: ucom.c,v 1.95 2012/01/14 20:41:49 jakllsch Exp $");
+__KERNEL_RCSID(0, "$NetBSD: ucom.c,v 1.96 2012/01/14 20:51:00 jakllsch Exp $");
#include <sys/param.h>
#include <sys/systm.h>
@@ -370,6 +370,10 @@ ucomopen(dev_t dev, int flag, int mode,
int s, i;
int error;
+ /* XXX This is a hopefully temporary stopgap for kern/42848. */
+ if ((flag & (FREAD|FWRITE)) != (FREAD|FWRITE))
+ return (EINVAL);
+
if (sc == NULL)
return (ENXIO);
