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

*** 169,181 ****
                  return;
  
          if (dtrace_probe_lookup(profile_id, NULL, NULL, name) != 0)
                  return;
  
!         atomic_add_32(&profile_total, 1);
          if (profile_total > profile_max) {
!                 atomic_add_32(&profile_total, -1);
                  return;
          }
  
          prof = kmem_zalloc(sizeof (profile_probe_t), KM_SLEEP);
          (void) strcpy(prof->prof_name, name);
--- 169,181 ----
                  return;
  
          if (dtrace_probe_lookup(profile_id, NULL, NULL, name) != 0)
                  return;
  
!         atomic_inc_32(&profile_total);
          if (profile_total > profile_max) {
!                 atomic_dec_32(&profile_total);
                  return;
          }
  
          prof = kmem_zalloc(sizeof (profile_probe_t), KM_SLEEP);
          (void) strcpy(prof->prof_name, name);
*** 326,336 ****
  
          ASSERT(prof->prof_cyclic == CYCLIC_NONE);
          kmem_free(prof, sizeof (profile_probe_t));
  
          ASSERT(profile_total >= 1);
!         atomic_add_32(&profile_total, -1);
  }
  
  /*ARGSUSED*/
  static void
  profile_online(void *arg, cpu_t *cpu, cyc_handler_t *hdlr, cyc_time_t *when)
--- 326,336 ----
  
          ASSERT(prof->prof_cyclic == CYCLIC_NONE);
          kmem_free(prof, sizeof (profile_probe_t));
  
          ASSERT(profile_total >= 1);
!         atomic_dec_32(&profile_total);
  }
  
  /*ARGSUSED*/
  static void
  profile_online(void *arg, cpu_t *cpu, cyc_handler_t *hdlr, cyc_time_t *when)