fix cppcheck error: set *listenerp to NULL.

diff --git a/bin/named/lwresd.c b/bin/named/lwresd.c
index cdf11f5b68745ac124c5f9d7d8a065028291ab13..37be6584e3540748c6cd7400fc981b81e33d1ac3 100644 (file)
--- a/bin/named/lwresd.c
+++ b/bin/named/lwresd.c
@@ -9,8 +9,6 @@
  * information regarding copyright ownership.
  */
 
-/* $Id: lwresd.c,v 1.60 2009/09/02 23:48:01 tbox Exp $ */
-
 /*! \file
  * \brief
  * Main program for the Lightweight Resolver Daemon.
@@ -493,6 +491,7 @@ ns_lwreslistener_detach(ns_lwreslistener_t **listenerp) {
        INSIST(VALID_LWRESLISTENER(*listenerp));
 
        listener = *listenerp;
+       *listenerp = NULL;
 
        LOCK(&listener->lock);
        INSIST(listener->refs > 0);
@@ -514,7 +513,6 @@ ns_lwreslistener_detach(ns_lwreslistener_t **listenerp) {
        mctx = listener->mctx;
        isc_mem_put(mctx, listener, sizeof(*listener));
        isc_mem_detach(&mctx);
-       listenerp = NULL;
 }
 
 static isc_result_t