diff --git a/drivers/net/ethernet/hisilicon/hns/hnae.h b/drivers/net/ethernet/hisilicon/hns/hnae.h
index 2b7db1c22321..d46e8f999019 100644
--- a/drivers/net/ethernet/hisilicon/hns/hnae.h
+++ b/drivers/net/ethernet/hisilicon/hns/hnae.h
@@ -558,7 +558,7 @@ struct hnae_handle {
 	enum hnae_media_type media_type;
 	struct list_head node;    /* list to hnae_ae_dev->handle_list */
 	struct hnae_buf_ops *bops; /* operation for the buffer */
-	struct hnae_queue **qs;  /* array base of all queues */
+	struct hnae_queue *qs[];  /* flexible array of all queues */
 };
 
 #define ring_to_dev(ring) ((ring)->q->dev->dev)
diff --git a/drivers/net/ethernet/hisilicon/hns/hns_ae_adapt.c b/drivers/net/ethernet/hisilicon/hns/hns_ae_adapt.c
index 75e4ec569da8..e81116ad9bdf 100644
--- a/drivers/net/ethernet/hisilicon/hns/hns_ae_adapt.c
+++ b/drivers/net/ethernet/hisilicon/hns/hns_ae_adapt.c
@@ -81,8 +81,8 @@ static struct hnae_handle *hns_ae_get_handle(struct hnae_ae_dev *dev,
 	vfnum_per_port = hns_ae_get_vf_num_per_port(dsaf_dev, port_id);
 	qnum_per_vf = hns_ae_get_q_num_per_vf(dsaf_dev, port_id);
 
-	vf_cb = kzalloc(sizeof(*vf_cb) +
-			qnum_per_vf * sizeof(struct hnae_queue *), GFP_KERNEL);
+	vf_cb = kzalloc(struct_size(vf_cb, ae_handle.qs, qnum_per_vf),
+			GFP_KERNEL);
 	if (unlikely(!vf_cb)) {
 		dev_err(dsaf_dev->dev, "malloc vf_cb fail!\n");
 		ae_handle = ERR_PTR(-ENOMEM);
@@ -108,7 +108,6 @@ static struct hnae_handle *hns_ae_get_handle(struct hnae_ae_dev *dev,
 		goto vf_id_err;
 	}
 
-	ae_handle->qs = (struct hnae_queue **)(&ae_handle->qs + 1);
 	for (i = 0; i < qnum_per_vf; i++) {
 		ae_handle->qs[i] = &ring_pair_cb->q;
 		ae_handle->qs[i]->rx_ring.q = ae_handle->qs[i];
diff --git a/drivers/net/ethernet/hisilicon/hns/hns_dsaf_main.h b/drivers/net/ethernet/hisilicon/hns/hns_dsaf_main.h
index cba04bfa0b3f..5526a10caac5 100644
--- a/drivers/net/ethernet/hisilicon/hns/hns_dsaf_main.h
+++ b/drivers/net/ethernet/hisilicon/hns/hns_dsaf_main.h
@@ -210,7 +210,7 @@ struct hnae_vf_cb {
 	u8 port_index;
 	struct hns_mac_cb *mac_cb;
 	struct dsaf_device *dsaf_dev;
-	struct hnae_handle  ae_handle; /* must be the last number */
+	struct hnae_handle  ae_handle; /* must be the last member */
 };
 
 struct dsaf_int_xge_src {