From 37b61ee43a71b981f774f161caecedf62b96ae28 Mon Sep 17 00:00:00 2001
From: Tao Liu <ltao@redhat.com>
Date: Nov 03 2021 08:13:28 +0000
Subject: dracut-module-setup.sh: rework kdump_get_ip_route_field


upstream: fedora
resolves: bz2003832
conflict: none

commit 46542ccda5df42a8b07e1d7fee629374e51e732a
Author: Kairui Song <kasong@redhat.com>
Date:   Wed Aug 4 02:59:43 2021 +0800

    dracut-module-setup.sh: rework kdump_get_ip_route_field

    Avoid duplicated echo / cut / grep call, just use sed.

    Signed-off-by: Kairui Song <kasong@redhat.com>
    Acked-by: Philipp Rudo <prudo@redhat.com>

Signed-off-by: Tao Liu <ltao@redhat.com>

---

diff --git a/dracut-module-setup.sh b/dracut-module-setup.sh
index 0779224..a49107d 100755
--- a/dracut-module-setup.sh
+++ b/dracut-module-setup.sh
@@ -520,9 +520,7 @@ kdump_get_ip_route()
 
 kdump_get_ip_route_field()
 {
-    if `echo $1 | grep -q $2`; then
-        echo ${1##*$2} | cut -d ' ' -f1
-    fi
+    echo "$1" | sed -n -e "s/^.*\<$2\>\s\+\(\S\+\).*$/\1/p"
 }
 
 kdump_get_remote_ip()