diff --git a/drivers/net/ethernet/huawei/hinic/hinic_ethtool.c b/drivers/net/ethernet/huawei/hinic/hinic_ethtool.c
index ac711daad06f8961207a52f47679d63b5941be9d..92bad0e159aef0ef512ba9e62596b3038d828790 100644
--- a/drivers/net/ethernet/huawei/hinic/hinic_ethtool.c
+++ b/drivers/net/ethernet/huawei/hinic/hinic_ethtool.c
@@ -1429,7 +1429,7 @@ static int __hinic_set_coalesce(struct net_device *netdev,
 	struct hinic_nic_dev *nic_dev = netdev_priv(netdev);
 	struct hinic_intr_coal_info intr_coal = {0};
 	struct hinic_intr_coal_info *ori_intr_coal;
-	char obj_str[32] = {0};
+	char obj_str[OBJ_STR_MAX_LEN] = {0};
 	u16 i;
 	int err = 0;
 
diff --git a/drivers/net/ethernet/huawei/hinic/hinic_hwdev.c b/drivers/net/ethernet/huawei/hinic/hinic_hwdev.c
index c2454f6d56bbfc023d5e553568fcefb70772bd64..8d6675c5039affa05aaafd516e8afe1ffb3abd33 100644
--- a/drivers/net/ethernet/huawei/hinic/hinic_hwdev.c
+++ b/drivers/net/ethernet/huawei/hinic/hinic_hwdev.c
@@ -3890,8 +3890,8 @@ char *__hw_to_char_port_type[LINK_PORT_MAX_TYPE] = {
 static void __print_cable_info(struct hinic_hwdev *hwdev,
 			       struct hinic_link_info *info)
 {
-	char tmp_str[512] = {0};
-	char tmp_vendor[17] = {0};
+	char tmp_str[CAP_INFO_MAC_LEN] = {0};
+	char tmp_vendor[VENDOR_MAX_LEN] = {0};
 	char *port_type = "Unknown port type";
 	int i;
 	int err = 0;