ofproto-dpif: Use sequence number to wake up main thread for
[sliver-openvswitch.git] / utilities / ovs-lib.in
index 029ed3b..48d0c36 100644 (file)
@@ -54,7 +54,11 @@ ovs_ctl () {
             # of ovs-ctl. It is also useful to document the o/p in ovs-ctl.log.
             display=`"${datadir}/scripts/ovs-ctl" "$@" 2>&1`
             rc=$?
-            echo "${display}" | tee -a "${logdir}/ovs-ctl.log"
+            if test -w "${logdir}/ovs-ctl.log"; then
+                 echo "${display}" | tee -a "${logdir}/ovs-ctl.log"
+            else
+                 echo "${display}"
+            fi
             return ${rc}
         ;;
         *)