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

@@ -1610,14 +1610,14 @@
                             ndi_dev_is_persistent_node(dip) &&
                             retire_prevents_attach == 1) {
                                 rv = DDI_FAILURE;
                                 break;
                         }
-                        atomic_add_long(&devinfo_attach_detach, 1);
+                        atomic_inc_ulong(&devinfo_attach_detach);
                         if ((rv = attach_node(dip)) == DDI_SUCCESS)
                                 i_ddi_set_node_state(dip, DS_ATTACHED);
-                        atomic_add_long(&devinfo_attach_detach, -1);
+                        atomic_dec_ulong(&devinfo_attach_detach);
                         break;
                 case DS_ATTACHED:
                         if ((rv = postattach_node(dip)) == DDI_SUCCESS)
                                 i_ddi_set_node_state(dip, DS_READY);
                         break;

@@ -1679,11 +1679,11 @@
                 case DS_PROBED:
                         if ((rv = unprobe_node(dip)) == DDI_SUCCESS)
                                 i_ddi_set_node_state(dip, DS_INITIALIZED);
                         break;
                 case DS_ATTACHED:
-                        atomic_add_long(&devinfo_attach_detach, 1);
+                        atomic_inc_ulong(&devinfo_attach_detach);
 
                         mutex_enter(&(DEVI(dip)->devi_lock));
                         DEVI_SET_DETACHING(dip);
                         mutex_exit(&(DEVI(dip)->devi_lock));
 

@@ -1694,11 +1694,11 @@
 
                         mutex_enter(&(DEVI(dip)->devi_lock));
                         DEVI_CLR_DETACHING(dip);
                         mutex_exit(&(DEVI(dip)->devi_lock));
 
-                        atomic_add_long(&devinfo_attach_detach, -1);
+                        atomic_dec_ulong(&devinfo_attach_detach);
                         break;
                 case DS_READY:
                         if ((rv = predetach_node(dip, flag)) == DDI_SUCCESS)
                                 i_ddi_set_node_state(dip, DS_ATTACHED);
                         break;