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195 Need replacement for nfs/lockd+klm

@@ -22,10 +22,11 @@
  * Copyright 2010 Sun Microsystems, Inc.  All rights reserved.
  * Use is subject to license terms.
  */
 /*
  * Copyright 2011 Nexenta Systems, Inc.  All rights reserved.
+ * Copyright (c) 2012 by Delphix. All rights reserved.
  */
 
 /*
  * Multithreaded STREAMS Local Transport Provider.
  *

@@ -4250,11 +4251,11 @@
 
 
 static void
 tl_connected_cots_addr_req(mblk_t *mp, tl_endpt_t *tep)
 {
-        tl_endpt_t              *peer_tep;
+        tl_endpt_t              *peer_tep = tep->te_conp;
         size_t                  ack_sz;
         mblk_t                  *ackmp;
         struct T_addr_ack       *taa;
         uchar_t                 *addr_startp;
 

@@ -4261,15 +4262,19 @@
         if (tep->te_closing) {
                 freemsg(mp);
                 return;
         }
 
+        if (peer_tep == NULL || peer_tep->te_closing) {
+                tl_error_ack(tep->te_wq, mp, TSYSERR, ECONNRESET, T_ADDR_REQ);
+                return;
+        }
+
         ASSERT(tep->te_state >= TS_IDLE);
 
         ack_sz = sizeof (struct T_addr_ack);
         ack_sz += T_ALIGN(tep->te_alen);
-        peer_tep = tep->te_conp;
         ack_sz += peer_tep->te_alen;
 
         ackmp = tpi_ack_alloc(mp, ack_sz, M_PCPROTO, T_ADDR_ACK);
         if (ackmp == NULL) {
                 (void) (STRLOG(TL_ID, tep->te_minor, 1, SL_TRACE|SL_ERROR,