encoding/binary: fix error reporting bug

R=rsc
CC=golang-dev
https://golang.org/cl/224096

diff --git a/src/pkg/encoding/binary/binary.go b/src/pkg/encoding/binary/binary.go
index 36f2366d6482d4de8bc566843cefac5185254f59..f1d375aead2da73e79c7519ead1c21938f2295a8 100644 (file)
--- a/src/pkg/encoding/binary/binary.go
+++ b/src/pkg/encoding/binary/binary.go
@@ -128,7 +128,7 @@ func Read(r io.Reader, order ByteOrder, data interface{}) os.Error {
        case *reflect.SliceValue:
                v = d
        default:
-               return os.NewError("binary.Read: invalid type " + v.Type().String())
+               return os.NewError("binary.Read: invalid type " + d.Type().String())
        }
        size := TotalSize(v)
        if size < 0 {