http://bugs.gentoo.org/130243

Fix syntax errors when running `ifcfg dev`

Index: ip/ifcfg
===================================================================
RCS file: /repos/iproute2/ip/ifcfg,v
retrieving revision 1.2
diff -u -p -r1.2 ifcfg
--- ip/ifcfg	15 Apr 2004 20:56:59 -0000	1.2
+++ ip/ifcfg	19 Apr 2006 00:30:28 -0000
@@ -86,6 +86,10 @@ if [ "$peer" != "" ]; then
   fi
   pfx="$ipaddr peer $peer"
 else
+  if [ "$ipaddr" = "" ]; then
+    echo "Missing IP address argument." 1>&2
+    exit 1
+  fi
   if [ "$pfxlen" = "" ]; then
     ABCMaskLen $ipaddr
     pfxlen=$?