lib: Only return "rec" on demand in messaging_filtered_read_recv

The message could be just a trigger without contents.

Signed-off-by: Volker Lendecke <vl@samba.org>
Reviewed-by: Jeremy Allison <jra@samba.org>

diff --git a/source3/lib/messages.c b/source3/lib/messages.c
index 3ed6dfe92391843d3d892a3939d36a913f4db410..ef5d679f6a356a74c039c732241a009cd6859400 100644 (file)
--- a/source3/lib/messages.c
+++ b/source3/lib/messages.c
@@ -650,7 +650,9 @@ int messaging_filtered_read_recv(struct tevent_req *req, TALLOC_CTX *mem_ctx,
                tevent_req_received(req);
                return err;
        }
-       *presult = talloc_move(mem_ctx, &state->rec);
+       if (presult != NULL) {
+               *presult = talloc_move(mem_ctx, &state->rec);
+       }
        return 0;
 }