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-rw-r--r--components/net/lwip-2.0.2/src/netif/ethernetif.c9
1 files changed, 2 insertions, 7 deletions
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 8d69897a4b..2fa528aa0d 100644
--- a/components/net/lwip-2.0.2/src/netif/ethernetif.c
+++ b/components/net/lwip-2.0.2/src/netif/ethernetif.c
@@ -494,20 +494,15 @@ rt_err_t eth_device_init_with_flag(struct eth_device *dev, const char *name, rt_
#if LWIP_NETIF_HOSTNAME
#define LWIP_HOSTNAME_LEN 16
char *hostname = RT_NULL;
- netif = (struct netif*) rt_malloc (sizeof(struct netif) + LWIP_HOSTNAME_LEN);
+ netif = (struct netif*) rt_calloc (1, sizeof(struct netif) + LWIP_HOSTNAME_LEN);
#else
- netif = (struct netif*) rt_malloc (sizeof(struct netif));
+ netif = (struct netif*) rt_calloc (1, sizeof(struct netif));
#endif
if (netif == RT_NULL)
{
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;