check a pointer before dereferencing it; not sure why userdata == NULL though

(This used to be commit 944752024ba6ab762b12c29ee867e37401dac12b)

diff --git a/source3/nmbd/nmbd_browsesync.c b/source3/nmbd/nmbd_browsesync.c
index f27f42297ff389f6256f05d172b4b070529d14e6..c363ed0d343892f81d61b0f2099fc0d90dc11433 100644 (file)
--- a/source3/nmbd/nmbd_browsesync.c
+++ b/source3/nmbd/nmbd_browsesync.c
@@ -258,7 +258,7 @@ static void domain_master_node_status_fail(struct subnet_record *subrec,
   {
     dbgtext( "domain_master_node_status_fail:\n" );
     dbgtext( "Doing a node status request to the domain master browser\n" );
-    dbgtext( "for workgroup %s ", userdata->data );
+    dbgtext( "for workgroup %s ", userdata ? userdata->data : "NULL" );
     dbgtext( "at IP %s failed.\n", inet_ntoa(rrec->packet->ip) );
     dbgtext( "Cannot sync browser lists.\n" );
   }