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Update ethernetif.c

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if LWIP_NETIF_HOSTNAME enable, the length is 'sizeof(struct netif)+ LWIP_HOSTNAME_LEN',
not only  equal to  'sizeof(struct netif)'.
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David Lin 2020-06-10 10:59:50 +08:00 committed by GitHub
parent ce83371504
commit 5f6c3d7345
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1 changed files with 4 additions and 0 deletions
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components/net/lwip-2.0.2/src/netif/ethernetif.c
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@ -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;