ctdb-scripts: Avoid printing a message if no connections

BUG: https://bugzilla.samba.org/show_bug.cgi?id=15935

Signed-off-by: Martin Schwenke <mschwenke@ddn.com>
Reviewed-by: Anoop C S <anoopcs@samba.org>
(cherry picked from commit 01d3d25c0139a3dd49a2322a9416698d08733377)

diff --git a/ctdb/config/functions b/ctdb/config/functions
index 4139059a3d3c5b51d6e33cc20abd60ace0e47a85..d61852a8161704368c2a1af7a520555521280221 100755 (executable)
--- a/ctdb/config/functions
+++ b/ctdb/config/functions
@@ -594,6 +594,10 @@ tickle_tcp_connections()
        _conns=$(get_tcp_connections_for_ip "$_ip" |
                awk '{ print $1, $2 ; print $2, $1 }')
 
+       if [ -z "$_conns" ]; then
+               return
+       fi
+
        echo "$_conns" | awk '{ print "Tickle TCP connection", $1, $2 }'
        echo "$_conns" | ctdb tickle
 }