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

@@ -85,11 +85,11 @@
 extern size_t max_vnode_path;
 
 void
 klpd_rele(klpd_reg_t *p)
 {
-        if (atomic_add_32_nv(&p->klpd_ref, -1) == 0) {
+        if (atomic_dec_32_nv(&p->klpd_ref) == 0) {
                 if (p->klpd_refp != NULL)
                         klpd_unlink(p);
                 if (p->klpd_cred != NULL)
                         crfree(p->klpd_cred);
                 door_ki_rele(p->klpd_door);

@@ -114,11 +114,11 @@
 
 
 static void
 klpd_hold(klpd_reg_t *p)
 {
-        atomic_add_32(&p->klpd_ref, 1);
+        atomic_inc_32(&p->klpd_ref);
 }
 
 /*
  * Remove registration from where it is registered.  Returns next in list.
  */

@@ -348,11 +348,11 @@
          * restructured not to call with any of the locks held and
          * no policies operate by default on most processes.
          */
         if (mutex_owned(&pidlock) || mutex_owned(&curproc->p_lock) ||
             mutex_owned(&curproc->p_crlock)) {
-                atomic_add_32(&klpd_bad_locks, 1);
+                atomic_inc_32(&klpd_bad_locks);
                 return (-1);
         }
 
         /*
          * Enforce the limit set for the call process (still).

@@ -672,17 +672,17 @@
 }
 
 void
 crklpd_hold(credklpd_t *crkpd)
 {
-        atomic_add_32(&crkpd->crkl_ref, 1);
+        atomic_inc_32(&crkpd->crkl_ref);
 }
 
 void
 crklpd_rele(credklpd_t *crkpd)
 {
-        if (atomic_add_32_nv(&crkpd->crkl_ref, -1) == 0) {
+        if (atomic_dec_32_nv(&crkpd->crkl_ref) == 0) {
                 if (crkpd->crkl_reg != NULL)
                         klpd_rele(crkpd->crkl_reg);
                 mutex_destroy(&crkpd->crkl_lock);
                 kmem_free(crkpd, sizeof (*crkpd));
         }