From 271cd19dbe895c24b1f70fa5c6bbecace3b97f4d Mon Sep 17 00:00:00 2001 From: Harald Hoyer 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"