From: Dietmar Maurer <dietmar@proxmox.com>
Date: Thu, 6 Mar 2014 15:54:27 +0000 (+0100)
Subject: ifupdown.sh: improve error handling
X-Git-Url: https://git.proxmox.com/?p=pve-firewall.git;a=commitdiff_plain;h=322bba26fb451ffbda7f2de7c19ff562ab98653d

ifupdown.sh: improve error handling
---

diff --git a/debian/ifupdown.sh b/debian/ifupdown.sh
index e41efda..c124134 100755
--- a/debian/ifupdown.sh
+++ b/debian/ifupdown.sh
@@ -12,14 +12,14 @@ then
 fi
 
 if [ "${MODE}" = "start" ]; then
-    ifconfig "${IF_VETH_BRIDGETO}" up
-    ip link add name "${IFACE}" type veth peer name "${IFACE}peer"
-    ip link set "${IFACE}peer" up
-    brctl addif "${IF_VETH_BRIDGETO}" "${IFACE}peer"
+    ifconfig "${IF_VETH_BRIDGETO}" up || exit 1
+    ip link add name "${IFACE}" type veth peer name "${IFACE}peer" || exit 1
+    ip link set "${IFACE}peer" up || exit 1
+    brctl addif "${IF_VETH_BRIDGETO}" "${IFACE}peer" || exit 1
 elif [ "${MODE}" = "stop" ]; then
     brctl delif "${IF_VETH_BRIDGETO}" "${IFACE}peer"
-    ip link set "${IFACE}peer" down
-    ip link del "${IFACE}"
+    ip link set "${IFACE}peer" down || exit 1
+    ip link del "${IFACE}" || exit 1
 fi
 
 exit 0