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

*** 1797,1807 ****
                  if (qlt->fw_code01) {
                          kmem_free(qlt->fw_code01, (qlt->fw_length01 +
                              qlt->fw_length02) << 2);
                          qlt->fw_code01 = NULL;
                  } else {
!                         atomic_add_32(&qlt_loaded_counter, 1);
                  }
                  qlt->fw_length01 = intp[3];
                  qlt->fw_code01 = (uint32_t *)kmem_alloc(iocd->stmf_ibuf_size,
                      KM_SLEEP);
                  bcopy(intp, qlt->fw_code01, iocd->stmf_ibuf_size);
--- 1797,1807 ----
                  if (qlt->fw_code01) {
                          kmem_free(qlt->fw_code01, (qlt->fw_length01 +
                              qlt->fw_length02) << 2);
                          qlt->fw_code01 = NULL;
                  } else {
!                         atomic_inc_32(&qlt_loaded_counter);
                  }
                  qlt->fw_length01 = intp[3];
                  qlt->fw_code01 = (uint32_t *)kmem_alloc(iocd->stmf_ibuf_size,
                      KM_SLEEP);
                  bcopy(intp, qlt->fw_code01, iocd->stmf_ibuf_size);
*** 1814,1824 ****
          case QLT_IOCTL_CLEAR_FW:
                  if (qlt->fw_code01) {
                          kmem_free(qlt->fw_code01, (qlt->fw_length01 +
                              qlt->fw_length02) << 2);
                          qlt->fw_code01 = NULL;
!                         atomic_add_32(&qlt_loaded_counter, -1);
                  }
                  break;
  
          case QLT_IOCTL_GET_FW_INFO:
                  if (iocd->stmf_obuf_size != sizeof (qlt_fw_info_t)) {
--- 1814,1824 ----
          case QLT_IOCTL_CLEAR_FW:
                  if (qlt->fw_code01) {
                          kmem_free(qlt->fw_code01, (qlt->fw_length01 +
                              qlt->fw_length02) << 2);
                          qlt->fw_code01 = NULL;
!                         atomic_dec_32(&qlt_loaded_counter);
                  }
                  break;
  
          case QLT_IOCTL_GET_FW_INFO:
                  if (iocd->stmf_obuf_size != sizeof (qlt_fw_info_t)) {
*** 4669,4679 ****
                  return (FCT_NOT_FOUND);
          }
  
  #ifdef DEBUG
          if (qlt_drop_abort_counter > 0) {
!                 if (atomic_add_32_nv(&qlt_drop_abort_counter, -1) == 1)
                          return (FCT_SUCCESS);
          }
  #endif
  
          if (cmd->cmd_type == FCT_CMD_FCP_XCHG) {
--- 4669,4679 ----
                  return (FCT_NOT_FOUND);
          }
  
  #ifdef DEBUG
          if (qlt_drop_abort_counter > 0) {
!                 if (atomic_dec_32_nv(&qlt_drop_abort_counter) == 1)
                          return (FCT_SUCCESS);
          }
  #endif
  
          if (cmd->cmd_type == FCT_CMD_FCP_XCHG) {