10686 Debug macros causes smatch issues

*** 19,29 ****
   * CDDL HEADER END
   *
   * Copyright 2010 Sun Microsystems, Inc.  All rights reserved.
   * Use is subject to license terms.
   *
!  * Copyright 2016 Joyent, Inc.
   */
  
  #ifndef _SYS_USB_SCSA2USB_H
  #define _SYS_USB_SCSA2USB_H
  
--- 19,29 ----
   * CDDL HEADER END
   *
   * Copyright 2010 Sun Microsystems, Inc.  All rights reserved.
   * Use is subject to license terms.
   *
!  * Copyright 2019, Joyent, Inc.
   */
  
  #ifndef _SYS_USB_SCSA2USB_H
  #define _SYS_USB_SCSA2USB_H
  
*** 653,663 ****
  #define DPRINT_MASK_ALL         0xffffffff      /* for everything */
  
  #ifdef  DEBUG
  #define SCSA2USB_PRINT_CDB      scsa2usb_print_cdb
  #else
! #define SCSA2USB_PRINT_CDB      0 &&
  #endif
  
  /* ugen support */
  #define SCSA2USB_MINOR_UGEN_BITS_MASK   0xff
  #define SCSA2USB_MINOR_INSTANCE_MASK    ~SCSA2USB_MINOR_UGEN_BITS_MASK
--- 653,663 ----
  #define DPRINT_MASK_ALL         0xffffffff      /* for everything */
  
  #ifdef  DEBUG
  #define SCSA2USB_PRINT_CDB      scsa2usb_print_cdb
  #else
! #define SCSA2USB_PRINT_CDB(...)
  #endif
  
  /* ugen support */
  #define SCSA2USB_MINOR_UGEN_BITS_MASK   0xff
  #define SCSA2USB_MINOR_INSTANCE_MASK    ~SCSA2USB_MINOR_UGEN_BITS_MASK