[src/trunk]: src/sys/dev/usb Cap h.loc.count at MAXKEYCODE instead of bailing...

[mbalmer <mbalmer%NetBSD.org@localhost>]

details:   https://anonhg.NetBSD.org/src/rev/b3cf5d3fe603
branches:  trunk
changeset: 760312:b3cf5d3fe603
user:      mbalmer <mbalmer%NetBSD.org@localhost>
date:      Sun Jan 02 12:36:41 2011 +0000

description:
Cap h.loc.count at MAXKEYCODE instead of bailing out.  This lets some obscure/
roque keyboards attach.

>From loganaden%devio.us@localhost (Loganaden Velvindron), thanks!

diffstat:

 sys/dev/usb/ukbd.c |  6 +++---
 1 files changed, 3 insertions(+), 3 deletions(-)

diffs (27 lines):

diff -r c48bc34575a2 -r b3cf5d3fe603 sys/dev/usb/ukbd.c
--- a/sys/dev/usb/ukbd.c        Sun Jan 02 12:25:30 2011 +0000
+++ b/sys/dev/usb/ukbd.c        Sun Jan 02 12:36:41 2011 +0000
@@ -1,4 +1,4 @@
-/*      $NetBSD: ukbd.c,v 1.109 2010/11/30 11:35:30 phx Exp $        */
+/*      $NetBSD: ukbd.c,v 1.110 2011/01/02 12:36:41 mbalmer Exp $        */
 
 /*
  * Copyright (c) 1998 The NetBSD Foundation, Inc.
@@ -35,7 +35,7 @@
  */
 
 #include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: ukbd.c,v 1.109 2010/11/30 11:35:30 phx Exp $");
+__KERNEL_RCSID(0, "$NetBSD: ukbd.c,v 1.110 2011/01/02 12:36:41 mbalmer Exp $");
 
 #include <sys/param.h>
 #include <sys/systm.h>
@@ -996,7 +996,7 @@
                        if (h.loc.size != 8)
                                return ("key code size != 8");
                        if (h.loc.count > MAXKEYCODE)
-                               return ("too many key codes");
+                               h.loc.count = MAXKEYCODE;
                        if (h.loc.pos % 8 != 0)
                                return ("key codes not on byte boundary");
                        if (sc->sc_nkeycode != 0)