diff --git a/components/net/lwip-2.0.2/src/netif/ethernetif.c b/components/net/lwip-2.0.2/src/netif/ethernetif.c index be16da7ad3cac7173aad0350ada15031737dd6e7..8d69897a4b7d3ac85cd6a7f4ef8e09082faeaec7 100644 --- a/components/net/lwip-2.0.2/src/netif/ethernetif.c +++ b/components/net/lwip-2.0.2/src/netif/ethernetif.c @@ -503,7 +503,11 @@ rt_err_t eth_device_init_with_flag(struct eth_device *dev, const char *name, rt_ rt_kprintf("malloc netif failed\n"); return -RT_ERROR; } +#if LWIP_NETIF_HOSTNAME + rt_memset(netif, 0, sizeof(struct netif)+ LWIP_HOSTNAME_LEN); +#else rt_memset(netif, 0, sizeof(struct netif)); +#endif /* set netif */ dev->netif = netif;