From e27b5ec5987002557b2bc4b5237b027f8cd64857 Mon Sep 17 00:00:00 2001
From: Yuan Bai <bybai@cn.ibm.com>
Date: Wed, 2 Aug 2017 17:36:48 +0800
Subject: [PATCH] fix configeth get netmask in postscript (#3597)

---
 xCAT/postscripts/configeth | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/xCAT/postscripts/configeth b/xCAT/postscripts/configeth
index f57e84305..fa147ef06 100755
--- a/xCAT/postscripts/configeth
+++ b/xCAT/postscripts/configeth
@@ -487,9 +487,9 @@ elif [ "$1" = "-s" ];then
                 if [ ! -z "${inst_nic}" ];then
                     str_inst_ip=`ip -4 -o addr|grep -i ${inst_nic} |awk '{print $4}'|awk -F/ '{print $1}'`
                     if [ ! -z "$str_inst_ip" ];then
-                        inst_ip_pre=`ip ro ls|grep -i ${str_inst_ip}|awk '{print $1}'|awk -F/ '{print $1}'`
-                        if [ ! -z "$inst_ip_pre" ];then
-                            str_inst_mask=`route |grep ^${inst_ip_pre}|awk '{print $3}'|head -1`
+                        inst_prefix=`ip ro ls|grep -i ${str_inst_ip}|awk '{print $1}'|awk -F/ '{print $2}'`
+                        if [ ! -z "$inst_prefix" ];then
+                            str_inst_mask=`v4prefix2mask $inst_prefix`
                         fi
                     fi
                 fi