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

@@ -265,11 +265,11 @@
                                             ent->ent_itl_datap,
                                             STMF_ITL_REASON_IT_NEXUS_LOSS);
                                 }
                                 ilu = (stmf_i_lu_t *)
                                     ent->ent_lu->lu_stmf_private;
-                                atomic_add_32(&ilu->ilu_ref_cnt, -1);
+                                atomic_dec_32(&ilu->ilu_ref_cnt);
                                 kmem_free(sm->lm_plus[n],
                                     sizeof (stmf_lun_map_ent_t));
                         }
                 }
                 kmem_free(sm->lm_plus,

@@ -418,11 +418,11 @@
         lun_map_ent = (stmf_lun_map_ent_t *)
             kmem_zalloc(sizeof (stmf_lun_map_ent_t), KM_SLEEP);
         lun_map_ent->ent_lu = lu;
         ret = stmf_add_ent_to_map(sm, (void *)lun_map_ent, lu_nbr);
         ASSERT(ret == STMF_SUCCESS);
-        atomic_add_32(&ilu->ilu_ref_cnt, 1);
+        atomic_inc_32(&ilu->ilu_ref_cnt);
         /*
          * do not set lun inventory flag for standby port
          * as this would be handled from peer
          */
         if (ilport->ilport_standby == 0) {

@@ -455,11 +455,11 @@
 
         ilu = (stmf_i_lu_t *)lu->lu_stmf_private;
 
         ret = stmf_remove_ent_from_map(sm, lu_nbr);
         ASSERT(ret == STMF_SUCCESS);
-        atomic_add_32(&ilu->ilu_ref_cnt, -1);
+        atomic_dec_32(&ilu->ilu_ref_cnt);
         iss->iss_flags |= ISS_LUN_INVENTORY_CHANGED;
         if (lun_map_ent->ent_itl_datap) {
                 stmf_do_itl_dereg(lu, lun_map_ent->ent_itl_datap,
                     STMF_ITL_REASON_USER_REQUEST);
         }

@@ -682,11 +682,11 @@
                 idlist->idl_head = idlist->idl_tail = id;
         } else {
                 idlist->idl_tail->id_next = id;
                 idlist->idl_tail = id;
         }
-        atomic_add_32(&idlist->id_count, 1);
+        atomic_inc_32(&idlist->id_count);
 }
 
 void
 stmf_remove_id(stmf_id_list_t *idlist, stmf_id_data_t *id)
 {

@@ -699,11 +699,11 @@
         if (id->id_prev) {
                 id->id_prev->id_next = id->id_next;
         } else {
                 idlist->idl_head = id->id_next;
         }
-        atomic_add_32(&idlist->id_count, -1);
+        atomic_dec_32(&idlist->id_count);
 }
 
 
 /*
  * The refcnts of objects in a view entry are updated when then entry