Index: nbd-3.9/nbd-server.c
===================================================================
--- nbd-3.9.orig/nbd-server.c
+++ nbd-3.9/nbd-server.c
@@ -1595,6 +1595,7 @@ CLIENT* negotiate(int net, CLIENT *clien
 			err("Negotiation failed/12: %m");
 		return NULL;
 	}
+ 	return NULL;
 }
 
 /** sending macro. */