check error from read timeout

core/rtmp/rtmp.go

@@ -115,7 +115,9 @@ func HandleConn(c *rtmp.Conn, nc net.Conn) {
 		}
 
 		// If we don't get a readable packet in 10 seconds give up and disconnect
-		_rtmpConnection.SetReadDeadline(time.Now().Add(10 * time.Second))
+		if err := _rtmpConnection.SetReadDeadline(time.Now().Add(10 * time.Second)); err != nil {
+			log.Warnln(err)
+		}
 		pkt, err := c.ReadPacket()
 
 		// Broadcaster disconnected