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

*** 21,32 ****
  /*
   * Copyright 2006 Sun Microsystems, Inc.  All rights reserved.
   * Use is subject to license terms.
   */
  
- #pragma ident   "%Z%%M% %I%     %E% SMI"
- 
  #include <sys/proc.h>
  #include <sys/systm.h>
  #include <sys/param.h>
  #include <sys/atomic.h>
  #include <sys/kmem.h>
--- 21,30 ----
*** 103,119 ****
  }
  
  void
  corectl_content_hold(corectl_content_t *ccp)
  {
!         atomic_add_32(&ccp->ccc_refcnt, 1);
  }
  
  void
  corectl_content_rele(corectl_content_t *ccp)
  {
!         if (atomic_add_32_nv(&ccp->ccc_refcnt, -1) == 0)
                  kmem_free(ccp, sizeof (corectl_content_t));
  }
  
  
  static corectl_path_t *
--- 101,117 ----
  }
  
  void
  corectl_content_hold(corectl_content_t *ccp)
  {
!         atomic_inc_32(&ccp->ccc_refcnt);
  }
  
  void
  corectl_content_rele(corectl_content_t *ccp)
  {
!         if (atomic_dec_32_nv(&ccp->ccc_refcnt) == 0)
                  kmem_free(ccp, sizeof (corectl_content_t));
  }
  
  
  static corectl_path_t *
*** 152,168 ****
  }
  
  void
  corectl_path_hold(corectl_path_t *ccp)
  {
!         atomic_add_32(&ccp->ccp_refcnt, 1);
  }
  
  void
  corectl_path_rele(corectl_path_t *ccp)
  {
!         if (atomic_add_32_nv(&ccp->ccp_refcnt, -1) == 0) {
                  refstr_rele(ccp->ccp_path);
                  kmem_free(ccp, sizeof (corectl_path_t));
          }
  }
  
--- 150,166 ----
  }
  
  void
  corectl_path_hold(corectl_path_t *ccp)
  {
!         atomic_inc_32(&ccp->ccp_refcnt);
  }
  
  void
  corectl_path_rele(corectl_path_t *ccp)
  {
!         if (atomic_dec_32_nv(&ccp->ccp_refcnt) == 0) {
                  refstr_rele(ccp->ccp_path);
                  kmem_free(ccp, sizeof (corectl_path_t));
          }
  }