websocket: fix binary frame size decoding

R=ukai, rsc
CC=golang-dev
https://golang.org/cl/166074

diff --git a/src/pkg/websocket/websocket.go b/src/pkg/websocket/websocket.go
index 80ca49b9474c2eec16bbd35d6d8cc8753c2dbdbe..bcb42f508ab8c17afee37a152f7968f90bc74e99 100644 (file)
--- a/src/pkg/websocket/websocket.go
+++ b/src/pkg/websocket/websocket.go
@@ -64,9 +64,8 @@ func (ws *Conn) Read(msg []byte) (n int, err os.Error) {
                                if err != nil {
                                        return n, err
                                }
-                               if (c & 0x80) == 0x80 {
-                                       length = length*128 + int(c&0x7f)
-                               } else {
+                               length = length*128 + int(c&0x7f)
+                               if (c & 0x80) == 0 {
                                        break
                                }
                        }