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Update ethernetif.c

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if device->eth_rx is NULL ,rx thread will hard fault...
This commit is contained in:
Urey 2016-09-23 17:00:31 +08:00 committed by GitHub
parent 6d14e1390c
commit 8979d70a69
1 changed files with 2 additions and 0 deletions
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2
components/net/lwip-1.4.1/src/netif/ethernetif.c
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@ -367,6 +367,8 @@ static void eth_rx_thread_entry(void* parameter)
/* receive all of buffer */
while (1)
{
if(device->eth_rx == RT_NULL) break;
p = device->eth_rx(&(device->parent));
if (p != RT_NULL)
{