From 9b1cb34ceddd7168ed1068d282bd0e99da81cfd2 Mon Sep 17 00:00:00 2001
From: Tim Kientzle <kientzle@FreeBSD.org>
Date: Fri, 11 May 2012 04:18:39 +0000
Subject: [PATCH] Don't hang if there is no /cpus node in the device tree.

---
 sys/boot/fdt/fdt_loader_cmd.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/sys/boot/fdt/fdt_loader_cmd.c b/sys/boot/fdt/fdt_loader_cmd.c
index b053db03622..6e713b60b05 100644
--- a/sys/boot/fdt/fdt_loader_cmd.c
+++ b/sys/boot/fdt/fdt_loader_cmd.c
@@ -317,6 +317,8 @@ fixup_cpubusfreqs(unsigned long cpufreq, unsigned long busfreq)
 
 	/* We want to modify every subnode of /cpus */
 	o = fdt_path_offset(fdtp, "/cpus");
+	if (o < 0)
+		return;
 
 	/* maxo should contain offset of node next to /cpus */
 	depth = 0;