fix #541, failed when chunk size too small. 2.0.202

@@ -337,6 +337,7 @@ Remark:
 
 ## History
 
+* v2.0, 2015-12-22, for [#541][bug #541] failed when chunk size too small. 2.0.202
 * v2.0, 2015-12-15, default hls_on_error to continue. 2.0.201
 * v2.0, 2015-11-16, for [#518][bug #518] fix fd leak bug when fork. 2.0.200
 * v2.0, 2015-11-05, for [#511][bug #511] fix bug for restart thread. 2.0.199
@@ -1207,6 +1208,7 @@ Winlin
 [bug #515]: https://github.com/ossrs/srs/issues/515
 [bug #511]: https://github.com/ossrs/srs/issues/511
 [bug #518]: https://github.com/ossrs/srs/issues/518
+[bug #541]: https://github.com/ossrs/srs/issues/541
 [bug #xxxxxxxxxx]: https://github.com/ossrs/srs/issues/xxxxxxxxxx
 
 [exo #828]: https://github.com/google/ExoPlayer/pull/828

@@ -31,7 +31,7 @@ CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
 // current release version
 #define VERSION_MAJOR       2
 #define VERSION_MINOR       0
-#define VERSION_REVISION    201
+#define VERSION_REVISION    202
 
 // server info.
 #define RTMP_SIG_SRS_KEY "SRS"

@@ -1514,10 +1514,17 @@ int SrsProtocol::on_recv_message(SrsCommonMessage* msg)
             {
                 srs_warn("accept chunk size %d, but should in [%d, %d], "
                     "@see: https://github.com/ossrs/srs/issues/160",
-                    pkt->chunk_size, SRS_CONSTS_RTMP_MIN_CHUNK_SIZE, 
-                    SRS_CONSTS_RTMP_MAX_CHUNK_SIZE);
+                    pkt->chunk_size, SRS_CONSTS_RTMP_MIN_CHUNK_SIZE,  SRS_CONSTS_RTMP_MAX_CHUNK_SIZE);
             }
 
+            // @see: https://github.com/ossrs/srs/issues/541
+            if (pkt->chunk_size < SRS_CONSTS_RTMP_MIN_CHUNK_SIZE) {
+                ret = ERROR_RTMP_CHUNK_SIZE;
+                srs_error("chunk size should be %d+, value=%d. ret=%d",
+                    SRS_CONSTS_RTMP_MIN_CHUNK_SIZE, pkt->chunk_size, ret);
+                return ret;
+            }
+            
             in_chunk_size = pkt->chunk_size;
             srs_trace("input chunk size to %d", pkt->chunk_size);