s4:libcli/raw: don't schedule idle handlers on a dead connection

Signed-off-by: Stefan Metzmacher <metze@samba.org>
Reviewed-by: Ralph Boehme <slow@samba.org>
Reviewed-by: Jeremy Allison <jra@samba.org>

diff --git a/source4/libcli/raw/clitransport.c b/source4/libcli/raw/clitransport.c
index 47b8dbf3ae7f3a43dd7a3fc78365878e6df993de..26e9dee401d6e4204932c84c090dfadc6b21238a 100644 (file)
--- a/source4/libcli/raw/clitransport.c
+++ b/source4/libcli/raw/clitransport.c
@@ -181,6 +181,14 @@ static void idle_handler(struct tevent_context *ev,
 
        transport->idle.func(transport, transport->idle.private_data);
 
+       if (transport->idle.func == NULL) {
+               return;
+       }
+
+       if (!smbXcli_conn_is_connected(transport->conn)) {
+               return;
+       }
+
        next = timeval_current_ofs_usec(transport->idle.period);
 
        transport->idle.te = tevent_add_timer(transport->ev,
@@ -200,6 +208,15 @@ _PUBLIC_ void smbcli_transport_idle_handler(struct smbcli_transport *transport,
                                   void *private_data)
 {
        TALLOC_FREE(transport->idle.te);
+       ZERO_STRUCT(transport->idle);
+
+       if (idle_func == NULL) {
+               return;
+       }
+
+       if (!smbXcli_conn_is_connected(transport->conn)) {
+               return;
+       }
 
        transport->idle.func = idle_func;
        transport->idle.private_data = private_data;