10687 Service routine cast changes need smatch fixes

*** 21,30 ****
--- 21,33 ----
  /*
   * Copyright 2009 Sun Microsystems, Inc.  All rights reserved.
   * Use is subject to license terms.
   */
  
+ /*
+  * Copyright 2019, Joyent, Inc.
+  */
  
  #include <sys/types.h>
  #include <inet/common.h>
  #include <sys/stropts.h>
  #include <sys/modctl.h>
*** 660,670 ****
                  /*
                   * Bump su_tx_inprocess so that su_mode won't change.
                   */
                  sup->su_tx_inprocess++;
                  mutex_exit(&sup->su_mutex);
!                 dld_wsrv(wq);
                  mutex_enter(&sup->su_mutex);
                  if (--sup->su_tx_inprocess == 0)
                          cv_signal(&sup->su_cv);
          } else if (sup->su_tx_busy && SOFTMAC_CANPUTNEXT(sup->su_slp->sl_wq)) {
                  /*
--- 663,673 ----
                  /*
                   * Bump su_tx_inprocess so that su_mode won't change.
                   */
                  sup->su_tx_inprocess++;
                  mutex_exit(&sup->su_mutex);
!                 (void) dld_wsrv(wq);
                  mutex_enter(&sup->su_mutex);
                  if (--sup->su_tx_inprocess == 0)
                          cv_signal(&sup->su_cv);
          } else if (sup->su_tx_busy && SOFTMAC_CANPUTNEXT(sup->su_slp->sl_wq)) {
                  /*