10886 smatch debug macro cleanup in usr/src/uts

*** 21,30 ****
--- 21,33 ----
  /*
   * Copyright 2009 Sun Microsystems, Inc.  All rights reserved.
   * Use is subject to license terms.
   */
  
+ /*
+  * Copyright 2019 Joyent, Inc.
+  */
  
  /*
   * bscv.c - multi-threaded lom driver for the Stiletto platform.
   */
  
*** 402,412 ****
  /* Tracing is enabled if value is non-zero. */
  static int bscv_trace_flag = 1;
  
  #define BSCV_TRACE   if (bscv_trace_flag != 0)  bscv_trace
  #else
! #define BSCV_TRACE
  #endif
  
  /*
   * kernel accessible routines. These routines are necessarily global so the
   * driver can be loaded, and unloaded successfully
--- 405,415 ----
  /* Tracing is enabled if value is non-zero. */
  static int bscv_trace_flag = 1;
  
  #define BSCV_TRACE   if (bscv_trace_flag != 0)  bscv_trace
  #else
! #define BSCV_TRACE(...) (void)(0)
  #endif
  
  /*
   * kernel accessible routines. These routines are necessarily global so the
   * driver can be loaded, and unloaded successfully