XXXX cpudrv attach error handling is leaky

*** 312,321 ****
--- 312,327 ----
                   * activities.
                   */
                  cpudsp->cpudrv_pm.tq = ddi_taskq_create(dip,
                      "cpudrv_monitor", CPUDRV_TASKQ_THREADS,
                      TASKQ_DEFAULTPRI, 0);
+                 if (cpudsp->cpudrv_pm.tq == NULL) {
+                         cpudrv_enabled = B_FALSE;
+                         cpudrv_free(cpudsp);
+                         ddi_soft_state_free(cpudrv_state, instance);
+                         return (DDI_FAILURE);
+                 }
  
                  mutex_init(&cpudsp->cpudrv_pm.timeout_lock, NULL,
                      MUTEX_DRIVER, NULL);
                  cv_init(&cpudsp->cpudrv_pm.timeout_cv, NULL,
                      CV_DEFAULT, NULL);
*** 346,355 ****
--- 352,362 ----
  
                  if (!cpudrv_mach_init(cpudsp)) {
                          cmn_err(CE_WARN, "cpudrv_attach: instance %d: "
                              "cpudrv_mach_init failed", instance);
                          cpudrv_enabled = B_FALSE;
+                         ddi_taskq_destroy(cpudsp->cpudrv_pm.tq);
                          cpudrv_free(cpudsp);
                          ddi_soft_state_free(cpudrv_state, instance);
                          return (DDI_FAILURE);
                  }