[src/trunk]: src/sys/arch/powerpc/oea OF_finddevice returns -1 on error, not ...

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

details:   https://anonhg.NetBSD.org/src/rev/395ef61db7ea
branches:  trunk
changeset: 780230:395ef61db7ea
user:      jmmv <jmmv%NetBSD.org@localhost>
date:      Tue Jul 17 03:13:31 2012 +0000

description:
OF_finddevice returns -1 on error, not an arbitrary negative number.  Make
conditional explicit so that model_name gets a chance to be initialized when
the handle for the device is actually negative (which appears to be the case
in my Mac Mini G4).

diffstat:

 sys/arch/powerpc/oea/ofwoea_machdep.c |  6 +++---
 1 files changed, 3 insertions(+), 3 deletions(-)

diffs (27 lines):

diff -r e99cb54064fa -r 395ef61db7ea sys/arch/powerpc/oea/ofwoea_machdep.c
--- a/sys/arch/powerpc/oea/ofwoea_machdep.c     Tue Jul 17 01:36:12 2012 +0000
+++ b/sys/arch/powerpc/oea/ofwoea_machdep.c     Tue Jul 17 03:13:31 2012 +0000
@@ -1,4 +1,4 @@
-/* $NetBSD: ofwoea_machdep.c,v 1.29 2012/05/08 05:15:45 macallan Exp $ */
+/* $NetBSD: ofwoea_machdep.c,v 1.30 2012/07/17 03:13:31 jmmv Exp $ */
 
 /*-
  * Copyright (c) 2007 The NetBSD Foundation, Inc.
@@ -30,7 +30,7 @@
  */
 
 #include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: ofwoea_machdep.c,v 1.29 2012/05/08 05:15:45 macallan Exp $");
+__KERNEL_RCSID(0, "$NetBSD: ofwoea_machdep.c,v 1.30 2012/07/17 03:13:31 jmmv Exp $");
 
 #include "opt_ppcarch.h"
 #include "opt_compat_netbsd.h"
@@ -159,7 +159,7 @@
        /* get model name and perform model-specific actions */
        memset(model_name, 0, sizeof(model_name));
        node = OF_finddevice("/");
-       if (node >= 0) {
+       if (node != -1) {
                l = OF_getprop(node, "model", model_name, sizeof(model_name));
                if (l == -1)
                        OF_getprop(node, "name", model_name,