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-rwxr-xr-xcomponents/net/lwip-2.1.0/src/netif/ethernetif.c4
1 files changed, 4 insertions, 0 deletions
diff --git a/components/net/lwip-2.1.0/src/netif/ethernetif.c b/components/net/lwip-2.1.0/src/netif/ethernetif.c
index 55ffaa89df..23d7180f66 100755
--- a/components/net/lwip-2.1.0/src/netif/ethernetif.c
+++ b/components/net/lwip-2.1.0/src/netif/ethernetif.c
@@ -499,7 +499,11 @@ 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;