fixed recv issue in tcp server example.

git-svn-id: https://rt-thread.googlecode.com/svn/trunk@2125 bbd45198-f89e-11dd-88c7-29a3b14d5316

1 files changed, 1 insertions, 1 deletions

diff --git a/examples/network/tcpserver.c b/examples/network/tcpserver.c
index 9fa7bc8fb8..6d83acc1b2 100644
--- a/examples/network/tcpserver.c
+++ b/examples/network/tcpserver.c
@@ -76,7 +76,7 @@ void tcpserv(void* parameter)
 

            /* 从connected socket中接收数据，接收buffer是1024大小，但并不一定能够收到1024大小的数据 */

            bytes_received = recv(connected,recv_data, 1024, 0);

-           if (bytes_received < 0)

+           if (bytes_received <= 0)

            {

                /* 接收失败，关闭这个connected socket */

                lwip_close(connected);