From: Jeremy Kerr <jk@ozlabs.org>
Date: Mon, 20 Jan 2014 00:42:44 +0000 (+0800)
Subject: utils/pb-udhcpc: remove bashism when reading mac address
X-Git-Tag: v1.0.0~265
X-Git-Url: http://git.ozlabs.org/?p=petitboot;a=commitdiff_plain;h=8c8d6be7eb945288ab57da8088e8a1ace50b6d2e

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>
---

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