s3: Avoid a crash with debug level 10

Autobuild-User: Volker Lendecke <vl@samba.org>
Autobuild-Date: Fri Mar 30 16:52:16 CEST 2012 on sn-devel-104

diff --git a/source3/lib/dbwrap/dbwrap_ctdb.c b/source3/lib/dbwrap/dbwrap_ctdb.c
index 41adfd8243cb73234e57edcca51cee4eecda7aa9..41d9f19a05315ed1f0377b8fd32b0251e46691b5 100644 (file)
--- a/source3/lib/dbwrap/dbwrap_ctdb.c
+++ b/source3/lib/dbwrap/dbwrap_ctdb.c
@@ -1104,7 +1104,8 @@ again:
                           ctdb_data.dptr, ctdb_data.dptr ?
                           ((struct ctdb_ltdb_header *)ctdb_data.dptr)->dmaster : -1,
                           get_my_vnn(),
-                          ((struct ctdb_ltdb_header *)ctdb_data.dptr)->flags));
+                          ctdb_data.dptr ?
+                          ((struct ctdb_ltdb_header *)ctdb_data.dptr)->flags : 0));
 
                status = ctdbd_migrate(messaging_ctdbd_connection(), ctx->db_id,
                                       key);