diff options
| author | Bernard Xiong <[email protected]> | 2017-11-03 12:22:57 +0800 |
|---|---|---|
| committer | GitHub <[email protected]> | 2017-11-03 12:22:57 +0800 |
| commit | bdfb40e7617a9745973552ce47db771b6abfa833 (patch) | |
| tree | e1491d5fb19b3e38326179abb80573fbbaa2aa67 /components | |
| parent | 4ff3e21a01ba05c6fe8a2f05af03c9285f997f52 (diff) | |
| parent | 28855d4fb56f07c233df41b8de1fce5371392de5 (diff) | |
Merge pull request #945 from enkiller/modify_lwip_rx_is_null
[lwip]判定eth_rx是否为空,为空不执行。
Diffstat (limited to 'components')
| -rw-r--r-- | components/net/lwip-2.0.2/src/netif/ethernetif.c | 2 |
1 files changed, 2 insertions, 0 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 08d1242e71..6fbf8597e9 100644 --- a/components/net/lwip-2.0.2/src/netif/ethernetif.c +++ b/components/net/lwip-2.0.2/src/netif/ethernetif.c @@ -391,6 +391,8 @@ 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) { |