[src/trunk]: src/sys/dev/usb Allow USB_DEVICEINFO on address 0. Needed for t...

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

details:   https://anonhg.NetBSD.org/src/rev/61cc0956e597
branches:  trunk
changeset: 789986:61cc0956e597
user:      jakllsch <jakllsch%NetBSD.org@localhost>
date:      Sat Sep 14 14:06:40 2013 +0000

description:
Allow USB_DEVICEINFO on address 0.  Needed for the xhci(4) root hub device.

diffstat:

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

diffs (27 lines):

diff -r 2a1b08eb239a -r 61cc0956e597 sys/dev/usb/usb.c
--- a/sys/dev/usb/usb.c Sat Sep 14 13:46:52 2013 +0000
+++ b/sys/dev/usb/usb.c Sat Sep 14 14:06:40 2013 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: usb.c,v 1.143 2013/09/13 23:42:12 jakllsch Exp $       */
+/*     $NetBSD: usb.c,v 1.144 2013/09/14 14:06:40 jakllsch Exp $       */
 
 /*
  * Copyright (c) 1998, 2002, 2008, 2012 The NetBSD Foundation, Inc.
@@ -37,7 +37,7 @@
  */
 
 #include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: usb.c,v 1.143 2013/09/13 23:42:12 jakllsch Exp $");
+__KERNEL_RCSID(0, "$NetBSD: usb.c,v 1.144 2013/09/14 14:06:40 jakllsch Exp $");
 
 #ifdef _KERNEL_OPT
 #include "opt_compat_netbsd.h"
@@ -707,7 +707,7 @@
                struct usb_device_info *di = (void *)data;
                int addr = di->udi_addr;
 
-               if (addr < 1 || addr >= USB_MAX_DEVICES)
+               if (addr < 0 || addr >= USB_MAX_DEVICES)
                        return EINVAL;
                if ((dev = sc->sc_bus->devices[addr]) == NULL)
                        return ENXIO;