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Update ethernetif.c

This commit is contained in:
David Lin 2020-06-10 23:32:06 +08:00 committed by GitHub
parent aa0b68a575
commit 822df76f8e
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1 changed files with 2 additions and 7 deletions
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9
components/net/lwip-2.1.0/src/netif/ethernetif.c
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@ -490,20 +490,15 @@ rt_err_t eth_device_init_with_flag(struct eth_device *dev, const char *name, rt_
#if LWIP_NETIF_HOSTNAME #if LWIP_NETIF_HOSTNAME
#define LWIP_HOSTNAME_LEN 16 #define LWIP_HOSTNAME_LEN 16
char *hostname = RT_NULL; 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 #else
netif = (struct netif*) rt_malloc (sizeof(struct netif)); netif = (struct netif*) rt_calloc (1, sizeof(struct netif));
#endif #endif
if (netif == RT_NULL) if (netif == RT_NULL)
{ {
rt_kprintf("malloc netif failed\n"); rt_kprintf("malloc netif failed\n");
return -RT_ERROR; 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 */ /* set netif */
dev->netif = netif; dev->netif = netif;