diff options
| -rw-r--r-- | components/net/lwip-1.4.1/src/netif/ethernetif.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/components/net/lwip-1.4.1/src/netif/ethernetif.c b/components/net/lwip-1.4.1/src/netif/ethernetif.c index f0b2f814dc..f0c28ecf06 100644 --- a/components/net/lwip-1.4.1/src/netif/ethernetif.c +++ b/components/net/lwip-1.4.1/src/netif/ethernetif.c @@ -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) { |