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-rwxr-xr-xcomponents/net/lwip-2.1.0/src/netif/ethernetif.c7
1 files changed, 6 insertions, 1 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 f73ed635a1..55ffaa89df 100755
--- a/components/net/lwip-2.1.0/src/netif/ethernetif.c
+++ b/components/net/lwip-2.1.0/src/netif/ethernetif.c
@@ -487,8 +487,13 @@ static err_t eth_netif_device_init(struct netif *netif)
rt_err_t eth_device_init_with_flag(struct eth_device *dev, const char *name, rt_uint16_t flags)
{
struct netif* netif;
-
+#if LWIP_NETIF_HOSTNAME
+#define LWIP_HOSTNAME_LEN 16
+ char *hostname = RT_NULL;
+ netif = (struct netif*) rt_malloc (sizeof(struct netif) + LWIP_HOSTNAME_LEN);
+#else
netif = (struct netif*) rt_malloc (sizeof(struct netif));
+#endif
if (netif == RT_NULL)
{
rt_kprintf("malloc netif failed\n");