diff --git a/drivers/net/ethernet/hisilicon/hns3/hns3_cae/hns3_cae_qos.c b/drivers/net/ethernet/hisilicon/hns3/hns3_cae/hns3_cae_qos.c
index 0a981558e5a3c47b4d56d56708f3bf30d808df99..fb872de05c977afc46c4d8cde3307254b5ac0fcf 100644
--- a/drivers/net/ethernet/hisilicon/hns3/hns3_cae/hns3_cae_qos.c
+++ b/drivers/net/ethernet/hisilicon/hns3/hns3_cae/hns3_cae_qos.c
@@ -433,7 +433,7 @@ int hns3_cae_qcn_cfg(const struct hns3_nic_priv *net_priv,
 		     u32 out_size)
 {
 #define HCLGE_OPC_QCN_CFG	0x1A01
-	bool check = !buf_in || in_size < sizeof(32);
+	bool check = !buf_in || in_size < sizeof(u32);
 	struct hclge_vport *vport = NULL;
 	struct hclge_dev *hdev = NULL;
 	struct hclge_desc desc;