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

*** 22,33 ****
  /*
   * Copyright 2004 Sun Microsystems, Inc.  All rights reserved.
   * Use is subject to license terms.
   */
  
- #pragma ident   "%Z%%M% %I%     %E% SMI"
- 
  #include <sys/types.h>
  #include <sys/param.h>
  #include <sys/systm.h>
  #include <sys/conf.h>
  #include <sys/stream.h>
--- 22,31 ----
*** 282,292 ****
  
  try_again:
          rw_enter(&fmodsw_lock, RW_READER);
          if (i_fmodsw_hash_find(name, &fp) == 0) {
                  if (flags & FMODSW_HOLD) {
!                         atomic_add_32(&(fp->f_ref), 1); /* lock must be held */
                          ASSERT(fp->f_ref > 0);
                  }
  
                  rw_exit(&fmodsw_lock);
                  return (fp);
--- 280,290 ----
  
  try_again:
          rw_enter(&fmodsw_lock, RW_READER);
          if (i_fmodsw_hash_find(name, &fp) == 0) {
                  if (flags & FMODSW_HOLD) {
!                         atomic_inc_32(&(fp->f_ref));    /* lock must be held */
                          ASSERT(fp->f_ref > 0);
                  }
  
                  rw_exit(&fmodsw_lock);
                  return (fp);
*** 306,312 ****
  
  void
  fmodsw_rele(fmodsw_impl_t *fp)
  {
          ASSERT(fp->f_ref > 0);
!         atomic_add_32(&(fp->f_ref), -1);
  }
--- 304,310 ----
  
  void
  fmodsw_rele(fmodsw_impl_t *fp)
  {
          ASSERT(fp->f_ref > 0);
!         atomic_dec_32(&(fp->f_ref));
  }