debian: Don't unload kernel modules in init script on "stop" or "restart".

Unloading kernel modules will destroy all of the datapaths, which is a
drastic action.  So we are probably better off doing that only if the
user requests it explicitly.

diff --git a/debian/openvswitch-switch.init b/debian/openvswitch-switch.init
index 6db7c95..bf71e7d 100755 (executable)
--- a/debian/openvswitch-switch.init
+++ b/debian/openvswitch-switch.init
@@ -246,8 +246,6 @@ case "$1" in
             --pidfile /var/run/ovsdb-server.pid \
             --exec $ovsdb_server
        echo "ovsdb-server."
-
-        unload_modules
        ;;
     force-stop)
        echo -n "Forcefully stopping ovs-vswitchd: "
@@ -265,8 +263,9 @@ case "$1" in
         else
             echo " ERROR."
         fi
-
-        unload_modules
+       ;;
+    unload)
+       unload_modules
        ;;
     reload)
         ;;
@@ -292,7 +291,7 @@ case "$1" in
         ;;
     *)
        N=/etc/init.d/$NAME
-       echo "Usage: $N {start|stop|restart|force-reload|status|force-stop}" >&2
+       echo "Usage: $N {start|stop|restart|force-reload|status|force-stop|unload}" >&2
        exit 1
        ;;
 esac