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

*** 535,545 ****
                  keystack = ks->keysock_keystack;
  
                  ks3dbg(keystack,
                      ("Driver close, PF_KEY socket is going away.\n"));
                  if ((ks->keysock_flags & KEYSOCK_EXTENDED) != 0)
!                         atomic_add_32(&keystack->keystack_num_extended, -1);
                  size = sizeof (keysock_t);
                  mutex_enter(&keystack->keystack_list_lock);
                  *(ks->keysock_ptpn) = ks->keysock_next;
                  if (ks->keysock_next != NULL)
                          ks->keysock_next->keysock_ptpn = ks->keysock_ptpn;
--- 535,545 ----
                  keystack = ks->keysock_keystack;
  
                  ks3dbg(keystack,
                      ("Driver close, PF_KEY socket is going away.\n"));
                  if ((ks->keysock_flags & KEYSOCK_EXTENDED) != 0)
!                         atomic_dec_32(&keystack->keystack_num_extended);
                  size = sizeof (keysock_t);
                  mutex_enter(&keystack->keystack_list_lock);
                  *(ks->keysock_ptpn) = ks->keysock_next;
                  if (ks->keysock_next != NULL)
                          ks->keysock_next->keysock_ptpn = ks->keysock_ptpn;
*** 1563,1573 ****
          }
  
          /*
           * Set global to indicate we prefer an extended ACQUIRE.
           */
!         atomic_add_32(&keystack->keystack_num_extended, 1);
  }
  
  static void
  keysock_delpair_all(keysock_t *ks, mblk_t *mp, sadb_ext_t *extv[])
  {
--- 1563,1573 ----
          }
  
          /*
           * Set global to indicate we prefer an extended ACQUIRE.
           */
!         atomic_inc_32(&keystack->keystack_num_extended);
  }
  
  static void
  keysock_delpair_all(keysock_t *ks, mblk_t *mp, sadb_ext_t *extv[])
  {
*** 2333,2344 ****
                          /*
                           * Lower the atomic "flushing" count.  If it's
                           * the last one, send up the end-of-{FLUSH,DUMP} to
                           * the appropriate PF_KEY socket.
                           */
!                         if (atomic_add_32_nv(&keystack->keystack_flushdump,
!                             -1) != 0) {
                                  ks1dbg(keystack,
                                      ("One flush/dump message back from %d,"
                                      " more to go.\n", samsg->sadb_msg_satype));
                                  freemsg(mp1);
                                  return;
--- 2333,2344 ----
                          /*
                           * Lower the atomic "flushing" count.  If it's
                           * the last one, send up the end-of-{FLUSH,DUMP} to
                           * the appropriate PF_KEY socket.
                           */
!                         if (atomic_dec_32_nv(&keystack->keystack_flushdump) !=
!                             0) {
                                  ks1dbg(keystack,
                                      ("One flush/dump message back from %d,"
                                      " more to go.\n", samsg->sadb_msg_satype));
                                  freemsg(mp1);
                                  return;
*** 2380,2386 ****
  uint32_t
  keysock_next_seq(netstack_t *ns)
  {
          keysock_stack_t *keystack = ns->netstack_keysock;
  
!         return (atomic_add_32_nv(&keystack->keystack_acquire_seq, -1));
  }
--- 2380,2386 ----
  uint32_t
  keysock_next_seq(netstack_t *ns)
  {
          keysock_stack_t *keystack = ns->netstack_keysock;
  
!         return (atomic_dec_32_nv(&keystack->keystack_acquire_seq));
  }