diff --git a/drivers/net/ethernet/hisilicon/hns3/hns3_cae/hns3_cae_dcb.c b/drivers/net/ethernet/hisilicon/hns3/hns3_cae/hns3_cae_dcb.c
index fa6c6b48d208c0e1516db0ccf976e6d13c83a8c2..8d037f4c839870523260cddab20d58f87fce6ad7 100644
--- a/drivers/net/ethernet/hisilicon/hns3/hns3_cae/hns3_cae_dcb.c
+++ b/drivers/net/ethernet/hisilicon/hns3/hns3_cae/hns3_cae_dcb.c
@@ -330,7 +330,7 @@ int hns3_cae_dcb_ets_cfg(const struct hns3_nic_priv *net_priv,
 	struct hclge_desc desc;
 	int curr_dev_idx;
 	int ret;
-	int i;
+	u32 i;
 
 	if (check) {
 		pr_err("input parameter error in %s function\n", __func__);
diff --git a/drivers/net/ethernet/hisilicon/hns3/hns3_cae/hns3_cae_dfx.c b/drivers/net/ethernet/hisilicon/hns3/hns3_cae/hns3_cae_dfx.c
index 6346c9a49cef493c933ea52bb523a9cfa5226bc1..253972bff349c62008fdc073b389ee682fb3f84f 100644
--- a/drivers/net/ethernet/hisilicon/hns3/hns3_cae/hns3_cae_dfx.c
+++ b/drivers/net/ethernet/hisilicon/hns3/hns3_cae/hns3_cae_dfx.c
@@ -96,7 +96,7 @@ int hns3_cae_get_dfx_info(const struct hns3_nic_priv *net_priv,
 	u32 mac_id;
 	bool check = !buf_out || out_size < sizeof(struct hns3_cae_dfx_param);
 	int ret;
-	int i;
+	u32 i;
 
 	if (check) {
 		pr_err("input param buf_out error in %s function\n", __func__);
diff --git a/drivers/net/ethernet/hisilicon/hns3/hns3_cae/hns3_cae_init.c b/drivers/net/ethernet/hisilicon/hns3/hns3_cae/hns3_cae_init.c
index 96f0bb08525d357f36ce9c20ccf761649e75a233..ad84900ef7e54cca647b370eb58a47cf252d019b 100644
--- a/drivers/net/ethernet/hisilicon/hns3/hns3_cae/hns3_cae_init.c
+++ b/drivers/net/ethernet/hisilicon/hns3/hns3_cae/hns3_cae_init.c
@@ -147,7 +147,7 @@ static int copy_buf_out_to_user(struct msg_module *nt_msg, u32 out_size,
 
 static int hns3_cae_netdev_match_check(struct net_device *netdev)
 {
-	struct ethtool_drvinfo drv_info;
+	struct ethtool_drvinfo drv_info = {0};
 
 	if (netdev->ethtool_ops->get_drvinfo)
 		netdev->ethtool_ops->get_drvinfo(netdev, &drv_info);
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 ffd9e3f2f47c69cfbccd018b504462998d700a52..0a981558e5a3c47b4d56d56708f3bf30d808df99 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
@@ -433,12 +433,12 @@ 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);
 	struct hclge_vport *vport = NULL;
 	struct hclge_dev *hdev = NULL;
 	struct hclge_desc desc;
-	int qcn_bypass;
+	u32 qcn_bypass;
 	u32 qcn_cfg;
-	bool check = !buf_in || in_size < sizeof(int);
 	int ret;
 
 	if (check) {
@@ -446,7 +446,7 @@ int hns3_cae_qcn_cfg(const struct hns3_nic_priv *net_priv,
 		return -EFAULT;
 	}
 
-	qcn_bypass = *(int *)(buf_in);
+	qcn_bypass = *(u32 *)(buf_in);
 	vport = hns3_cae_get_vport(net_priv->ae_handle);
 	hdev = vport->back;
 
diff --git a/drivers/net/ethernet/hisilicon/hns3/hns3_cae/hns3_cae_tm.c b/drivers/net/ethernet/hisilicon/hns3/hns3_cae/hns3_cae_tm.c
index b3a89e20123e9790c2a63fa9b15a7dc7b5996825..1a3efcf32f43ba2e7c7b39f0ab25c8a328e0292d 100644
--- a/drivers/net/ethernet/hisilicon/hns3/hns3_cae/hns3_cae_tm.c
+++ b/drivers/net/ethernet/hisilicon/hns3/hns3_cae/hns3_cae_tm.c
@@ -509,9 +509,9 @@ static int hns3_cae_qs_set_new_map(int tc, u32 map,
 				   struct hns3_cae_qs_cfg_info *in_info)
 {
 	u32 bp_map = map;
+	u16 offset;
 	u16 qs_id;
 	int gp_id;
-	int offset;
 
 	qs_id = in_info->qs_id;
 	gp_id = qs_id / 32;
@@ -557,7 +557,7 @@ int hns3_cae_qs_cfg(const struct hns3_nic_priv *net_priv,
 	struct hclge_vport *vport = hns3_cae_get_vport(net_priv->ae_handle);
 	struct hclge_dev *hdev = vport->back;
 	int is_read;
-	int offset;
+	u16 offset;
 	u32 bp_map;
 	u16 qs_id;
 	int gp_id;