From 5aa1755cbc55d17a5b4b71faa1e0bba34fe83d8b Mon Sep 17 00:00:00 2001
From: Jakob Unterwurzacher <jakobunt@gmail.com>
Date: Wed, 2 Jan 2019 00:14:12 +0100
Subject: [PATCH] fusefrontend: openBackingDir: fix fd leak in error path

Reported by @slackner at
https://github.com/rfjakob/gocryptfs/commit/932efbd4593fe6be6c86f0dafeaea32910b7c246#r31813373
thanks!
---
 internal/fusefrontend/names.go | 1 +
 1 file changed, 1 insertion(+)

diff --git a/internal/fusefrontend/names.go b/internal/fusefrontend/names.go
index a6791cc..36185e2 100644
--- a/internal/fusefrontend/names.go
+++ b/internal/fusefrontend/names.go
@@ -65,6 +65,7 @@ func (fs *FS) openBackingDir(relPath string) (dirfd int, cName string, err error
 	for i, name := range parts {
 		iv, err := nametransform.ReadDirIVAt(dirfd)
 		if err != nil {
+			syscall.Close(dirfd)
 			return -1, "", err
 		}
 		cName = fs.nameTransform.EncryptAndHashName(name, iv)