From 2ec86382fb7e60ae808a591b7160e26e240a4c15 Mon Sep 17 00:00:00 2001

From: Harald Hoyer <harald@redhat.com>

Date: Mon, 2 Dec 2013 10:38:21 +0100

Subject: [PATCH] network/ifup.sh: before doing dhcp, check, if the link has a

 carrier

---

 modules.d/40network/ifup.sh | 4 ++++

 1 file changed, 4 insertions(+)

diff --git a/modules.d/40network/ifup.sh b/modules.d/40network/ifup.sh

index 9f6f449..2edcfe6 100755

--- a/modules.d/40network/ifup.sh

+++ b/modules.d/40network/ifup.sh

@@ -87,6 +87,10 @@ do_dhcp() {

     # dhclient-script will mark the netif up and generate the online

     # event for nfsroot

     # XXX add -V vendor class and option parsing per kernel

+    if ! iface_has_link $netif; then

+        echo "No carrier detected"

+        return 1

+    fi

     echo "Starting dhcp for interface $netif"

     dhclient "$@" -1 -q -cf /etc/dhclient.conf -pf /tmp/dhclient.$netif.pid -lf /tmp/dhclient.$netif.lease $netif \

         || echo "dhcp failed"