5133 Upstream SMB client fixes: Nexenta SUP-538 and SUP-548

*** 30,42 ****
   * SUCH DAMAGE.
   *
   * $Id: smb_trantcp.c,v 1.39 2005/03/02 01:27:44 lindak Exp $
   */
  /*
-  * Copyright 2012 Nexenta Systems, Inc.  All rights reserved.
   * Copyright 2009 Sun Microsystems, Inc.  All rights reserved.
   * Use is subject to license terms.
   */
  
  #include <sys/param.h>
  #include <sys/systm.h>
  #include <sys/autoconf.h>
--- 30,42 ----
   * SUCH DAMAGE.
   *
   * $Id: smb_trantcp.c,v 1.39 2005/03/02 01:27:44 lindak Exp $
   */
  /*
   * Copyright 2009 Sun Microsystems, Inc.  All rights reserved.
   * Use is subject to license terms.
+  * Copyright 2013 Nexenta Systems, Inc.  All rights reserved.
   */
  
  #include <sys/param.h>
  #include <sys/systm.h>
  #include <sys/autoconf.h>
*** 594,604 ****
          nbp->nbp_flags &= ~NBF_CONNECTED;
          while (nbp->nbp_flags & (NBF_SENDLOCK | NBF_RECVLOCK)) {
                  nbp->nbp_flags |= NBF_LOCKWAIT;
                  cv_wait(&nbp->nbp_cv, &nbp->nbp_lock);
          }
! 
          if (nbp->nbp_tiptr != NULL) {
                  (void) t_kclose(nbp->nbp_tiptr, 0);
                  nbp->nbp_tiptr = NULL;
          }
          nbp->nbp_state = NBST_CLOSED;
--- 594,607 ----
          nbp->nbp_flags &= ~NBF_CONNECTED;
          while (nbp->nbp_flags & (NBF_SENDLOCK | NBF_RECVLOCK)) {
                  nbp->nbp_flags |= NBF_LOCKWAIT;
                  cv_wait(&nbp->nbp_cv, &nbp->nbp_lock);
          }
!         if (nbp->nbp_frag != NULL) {
!                 freemsg(nbp->nbp_frag);
!                 nbp->nbp_frag = NULL;
!         }
          if (nbp->nbp_tiptr != NULL) {
                  (void) t_kclose(nbp->nbp_tiptr, 0);
                  nbp->nbp_tiptr = NULL;
          }
          nbp->nbp_state = NBST_CLOSED;
*** 661,676 ****
  
          mutex_enter(&nbp->nbp_lock);
  
          if ((nbp->nbp_flags & NBF_CONNECTED) != 0) {
                  nbp->nbp_flags &= ~NBF_CONNECTED;
- 
-                 if (nbp->nbp_frag != NULL) {
-                         freemsg(nbp->nbp_frag);
-                         nbp->nbp_frag = NULL;
-                 }
- 
                  err = nb_snddis(nbp);
          }
  
          mutex_exit(&nbp->nbp_lock);
          return (err);
--- 664,673 ----