qcacld-3.0: Add flush callback for wma_cleanup_vdev_resp_and_hold_req

When wma_shutdown_notifier_cb post wma_cleanup_vdev_resp_and_hold_req
the msg.bodyptr is wma. Now during flush the drive will try to free
the msg.bodyptr and may lead to assert.

Fix this by adding dummy flush callback so that driver will not try
to free msg.bodyptr for this msg.

Change-Id: I0734a2ee80dff1d9d4437a009c4c0061485b4de5
CRs-Fixed: 2529950

core/wma/src/wma_main.c

@@ -1957,6 +1957,22 @@ wma_cleanup_vdev_resp_and_hold_req(struct scheduler_msg *msg)
 	return QDF_STATUS_SUCCESS;
 }
 
+/**
+ * wma_cleanup_vdev_resp_and_hold_req_flush_cb() - flush cb for the msg to clean
+ * up vdev resp and hold req
+ * @msg :scheduler msg
+ *
+ * As passed msg->bodyptr is wma in this case this is dummy flush cb so that
+ * driver doesnt try to free msg->bodyptr when this msg is flushed.
+ *
+ * Return: QDF_STATUS
+ */
+static inline QDF_STATUS
+wma_cleanup_vdev_resp_and_hold_req_flush_cb(struct scheduler_msg *msg)
+{
+	return QDF_STATUS_SUCCESS;
+}
+
 /**
  * wma_shutdown_notifier_cb - Shutdown notifer call back
  * @priv : WMA handle
@@ -1978,8 +1994,9 @@ static void wma_shutdown_notifier_cb(void *priv)
 	ucfg_pmo_psoc_wakeup_host_event_received(wma_handle->psoc);
 	wmi_stop(wma_handle->wmi_handle);
 
-	msg.bodyptr = priv;
+	msg.bodyptr = wma_handle;
 	msg.callback = wma_cleanup_vdev_resp_and_hold_req;
+	msg.flush_callback = wma_cleanup_vdev_resp_and_hold_req_flush_cb;
 	status = scheduler_post_message(QDF_MODULE_ID_WMA,
 					QDF_MODULE_ID_WMA,
 					QDF_MODULE_ID_TARGET_IF, &msg);