From 01c18dbcab455f90ced6a3e35a6c9e645b1c5e2a Mon Sep 17 00:00:00 2001
From: Jakob Unterwurzacher
Date: Wed, 21 Sep 2016 21:43:56 +0200
Subject: nametransform: return EINVAL on invalid padding

With the generic fmt.Errorf we trigger a warning from go-fuse:

  2016/09/21 21:42:31 can't convert error type: Invalid padding
---
 internal/nametransform/names.go | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

(limited to 'internal')

diff --git a/internal/nametransform/names.go b/internal/nametransform/names.go
index 8bebc25..e9fe87d 100644
--- a/internal/nametransform/names.go
+++ b/internal/nametransform/names.go
@@ -5,6 +5,7 @@ import (
 	"crypto/aes"
 	"encoding/base64"
 	"fmt"
+	"syscall"
 
 	"github.com/rfjakob/eme"
 
@@ -46,7 +47,7 @@ func (n *NameTransform) DecryptName(cipherName string, iv []byte) (string, error
 		// unPad16 returns detailed errors including the position of the
 		// incorrect bytes. Kill the padding oracle by lumping everything into
 		// a generic error.
-		return "", fmt.Errorf("Invalid padding")
+		return "", syscall.EINVAL
 	}
 	plain := string(bin)
 	return plain, err
-- 
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