From c1fd9aa6213613fed140da7fe68c67a91f478509 Mon Sep 17 00:00:00 2001
From: maximilian attems <max@stro.at>
Date: Wed, 2 Apr 2008 22:19:59 +0200
Subject: configure_networking(): guard against unset "${DEVICE}"

found on testing that configure_networking() shouldn't make
assumption that ${DEVICE} is really already set.

this still allows to bail out if device is passed and set.
---
 scripts/functions | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

(limited to 'scripts/functions')

diff --git a/scripts/functions b/scripts/functions
index 588e324..d36884c 100644
--- a/scripts/functions
+++ b/scripts/functions
@@ -273,7 +273,7 @@ parse_numeric() {
 configure_networking()
 {
 	# networking already configured thus bail out
-	[ -e /tmp/net-${DEVICE}.conf ] && return 0
+	[ -n "${DEVICE}" ] && [ -e /tmp/net-"${DEVICE}".conf ] && return 0
 
 	# support ip options see linux sources Documentation/nfsroot.txt
 	case ${IPOPTS} in
-- 
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