6141 use kmem_zalloc instead of kmem_alloc + bzero/memset

*** 26,37 ****
  
  /*      Copyright (c) 1984, 1986, 1987, 1988, 1989 AT&T */
  /*        All Rights Reserved   */
  
  
- #pragma ident   "%Z%%M% %I%     %E% SMI"        /* from S5R4 1.10 */
- 
  /*
   * Description: The pckt module packetizes messages on
   *              its read queue by pre-fixing an M_PROTO
   *              message type to certain incoming messages.
   */
--- 26,35 ----
*** 222,233 ****
          }
  
          /*
           * Allocate state structure.
           */
!         pip = kmem_alloc(sizeof (*pip), KM_SLEEP);
!         bzero(pip, sizeof (*pip));
  
  #ifdef _MULTI_DATAMODEL
          pip->model = ddi_model_convert_from(get_udatamodel());
  #endif /* _MULTI_DATAMODEL */
  
--- 220,230 ----
          }
  
          /*
           * Allocate state structure.
           */
!         pip = kmem_zalloc(sizeof (*pip), KM_SLEEP);
  
  #ifdef _MULTI_DATAMODEL
          pip->model = ddi_model_convert_from(get_udatamodel());
  #endif /* _MULTI_DATAMODEL */