From 8c8d6be7eb945288ab57da8088e8a1ace50b6d2e Mon Sep 17 00:00:00 2001
From: Jeremy Kerr <jk@ozlabs.org>
Date: Mon, 20 Jan 2014 08:42:44 +0800
Subject: [PATCH] utils/pb-udhcpc: remove bashism when reading mac address

The $(< FILE) syntax we use to read an interface's MAC address doesn't
work in dash or busybox sh. Instead, use cat.

Signed-off-by: Jeremy Kerr <jk@ozlabs.org>
---
 utils/pb-udhcpc | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/utils/pb-udhcpc b/utils/pb-udhcpc
index 714d5b4..60cfa58 100644
--- a/utils/pb-udhcpc
+++ b/utils/pb-udhcpc
@@ -14,7 +14,7 @@ pb_add () {
 	# parameter was in the header, or specified by options
 	[ -z "$bootfile" ] && bootfile=${boot_file}
 
-	mac=$(< /sys/class/net/$interface/address)
+	mac=$(cat /sys/class/net/$interface/address)
 	paramstr=''
 
 	# Collect relevant DHCP response parameters into $paramstr
-- 
2.39.2