net: hns3: fix variable may not initialized problem in hns3_init_mac_addr()

[ Upstream commit dbd2f3b20c6ae425665b6975d766e3653d453e73 ]

When a VF is calling hns3_init_mac_addr(), get_mac_addr() may
return fail, then the value of mac_addr_temp is not initialized.

Fixes: 76ad4f0ee747 ("net: hns3: Add support of HNS3 Ethernet Driver for hip08 SoC")
Signed-off-by: Yonglong Liu <liuyonglong@huawei.com>
Signed-off-by: Jijie Shao <shaojijie@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Sasha Levin <sashal@kernel.org>

diff --git a/drivers/net/ethernet/hisilicon/hns3/hns3_enet.c b/drivers/net/ethernet/hisilicon/hns3/hns3_enet.c
index cf50368..677cfaa 100644 (file)
--- a/drivers/net/ethernet/hisilicon/hns3/hns3_enet.c
+++ b/drivers/net/ethernet/hisilicon/hns3/hns3_enet.c
@@ -5140,7 +5140,7 @@ static int hns3_init_mac_addr(struct net_device *netdev)
        struct hns3_nic_priv *priv = netdev_priv(netdev);
        char format_mac_addr[HNAE3_FORMAT_MAC_ADDR_LEN];
        struct hnae3_handle *h = priv->ae_handle;
-       u8 mac_addr_temp[ETH_ALEN];
+       u8 mac_addr_temp[ETH_ALEN] = {0};
        int ret = 0;
 
        if (h->ae_algo->ops->get_mac_addr)