5045 use atomic_{inc,dec}_* instead of atomic_add_*

*** 273,291 ****
  }
  
  static void
  element_node_ref(element_node_t *element)
  {
!         atomic_add_32(&element->element_refcnt, 1);
          ASSERT(element->element_refcnt > 1);
  }
  
  static void
  element_node_unref(element_node_t *element)
  {
          ASSERT(element->element_refcnt > 0);
!         if (atomic_add_32_nv(&element->element_refcnt, -1) == 0) {
                  kmem_cache_free(element_node_cache, element);
          }
  }
  
  /* ARGSUSED1 */
--- 273,291 ----
  }
  
  static void
  element_node_ref(element_node_t *element)
  {
!         atomic_inc_32(&element->element_refcnt);
          ASSERT(element->element_refcnt > 1);
  }
  
  static void
  element_node_unref(element_node_t *element)
  {
          ASSERT(element->element_refcnt > 0);
!         if (atomic_dec_32_nv(&element->element_refcnt) == 0) {
                  kmem_cache_free(element_node_cache, element);
          }
  }
  
  /* ARGSUSED1 */
*** 1134,1144 ****
                  (void) ipgpc_list_insert(&ipgpc_cid_list[class_id].filter_list,
                      filter_id);
                  mutex_exit(&ipgpc_cid_list_lock);
          }
          mutex_exit(&ipgpc_fid_list_lock);
!         atomic_add_long(&ipgpc_num_fltrs, 1);
          ipgpc3dbg(("ipgpc_addfilter: adding filter %s", filter->filter_name));
          return (0);
  }
  
  /*
--- 1134,1144 ----
                  (void) ipgpc_list_insert(&ipgpc_cid_list[class_id].filter_list,
                      filter_id);
                  mutex_exit(&ipgpc_cid_list_lock);
          }
          mutex_exit(&ipgpc_fid_list_lock);
!         atomic_inc_ulong(&ipgpc_num_fltrs);
          ipgpc3dbg(("ipgpc_addfilter: adding filter %s", filter->filter_name));
          return (0);
  }
  
  /*
*** 1152,1167 ****
  reset_dontcare_stats(void)
  {
          int i;
  
          for (i = 0; i < NUM_TRIES; ++i) {
!                 atomic_add_32(&ipgpc_trie_list[i].stats.num_dontcare, -1);
          }
          for (i = 0; i < NUM_TABLES; ++i) {
!                 atomic_add_32(&ipgpc_table_list[i].stats.num_dontcare, -1);
          }
!         atomic_add_32(&ipgpc_ds_table_id.stats.num_dontcare, -1);
  }
  
  /*
   * ipgpc_parse_class(out_class, nvlp)
   *
--- 1152,1167 ----
  reset_dontcare_stats(void)
  {
          int i;
  
          for (i = 0; i < NUM_TRIES; ++i) {
!                 atomic_dec_32(&ipgpc_trie_list[i].stats.num_dontcare);
          }
          for (i = 0; i < NUM_TABLES; ++i) {
!                 atomic_dec_32(&ipgpc_table_list[i].stats.num_dontcare);
          }
!         atomic_dec_32(&ipgpc_ds_table_id.stats.num_dontcare);
  }
  
  /*
   * ipgpc_parse_class(out_class, nvlp)
   *
*** 1355,1365 ****
                  ipgpc3dbg(("insertcid: adding class %s",
                      in_class->class_name));
                  bcopy(in_class->class_name,
                      ipgpc_cid_list[class_id].aclass.class_name, MAXNAMELEN);
                  ipgpc_cid_list[class_id].filter_list = NULL;
!                 atomic_add_long(&ipgpc_num_cls, 1);
          } else {
                  ipgpc0dbg(("insertcid: class name lookup error %d", err));
                  mutex_exit(&ipgpc_cid_list_lock);
                  return (err);
          }
--- 1355,1365 ----
                  ipgpc3dbg(("insertcid: adding class %s",
                      in_class->class_name));
                  bcopy(in_class->class_name,
                      ipgpc_cid_list[class_id].aclass.class_name, MAXNAMELEN);
                  ipgpc_cid_list[class_id].filter_list = NULL;
!                 atomic_inc_ulong(&ipgpc_num_cls);
          } else {
                  ipgpc0dbg(("insertcid: class name lookup error %d", err));
                  mutex_exit(&ipgpc_cid_list_lock);
                  return (err);
          }
*** 1502,1512 ****
          ipgpc_filter_destructor(&ipgpc_fid_list[filter_id].filter);
          mutex_exit(&ipgpc_fid_list_lock);
          /* remove filter id from class' list of filters */
          remove_from_cid_filter_list(ipgpc_fid_list[filter_id].class_id,
              filter_id);
!         atomic_add_long(&ipgpc_num_fltrs, -1);
          return (0);
  }
  
  /*
   * removecid(in_class_id)
--- 1502,1512 ----
          ipgpc_filter_destructor(&ipgpc_fid_list[filter_id].filter);
          mutex_exit(&ipgpc_fid_list_lock);
          /* remove filter id from class' list of filters */
          remove_from_cid_filter_list(ipgpc_fid_list[filter_id].class_id,
              filter_id);
!         atomic_dec_ulong(&ipgpc_num_fltrs);
          return (0);
  }
  
  /*
   * removecid(in_class_id)
*** 1523,1533 ****
          if (ipgpc_cid_list[in_class_id].cl_stats != NULL) {
                  ipp_stat_destroy(ipgpc_cid_list[in_class_id].cl_stats);
                  ipgpc_cid_list[in_class_id].cl_stats = NULL;
          }
          /* decrement total number of classes loaded */
!         atomic_add_long(&ipgpc_num_cls, -1);
  }
  
  /*
   * remove_from_cid_filter_list(in_class_id, in_filter_id)
   *
--- 1523,1533 ----
          if (ipgpc_cid_list[in_class_id].cl_stats != NULL) {
                  ipp_stat_destroy(ipgpc_cid_list[in_class_id].cl_stats);
                  ipgpc_cid_list[in_class_id].cl_stats = NULL;
          }
          /* decrement total number of classes loaded */
!         atomic_dec_ulong(&ipgpc_num_cls);
  }
  
  /*
   * remove_from_cid_filter_list(in_class_id, in_filter_id)
   *