From 61241b05889bda6e70446eab571f138d5d6f6c20 Mon Sep 17 00:00:00 2001
From: Sebastian Lackner <sebastian@fds-team.de>
Date: Thu, 3 Jan 2019 17:51:23 +0100
Subject: [PATCH] nametransform: Add implicit syscall.O_RDONLY flag.

---
 internal/nametransform/longnames.go | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/internal/nametransform/longnames.go b/internal/nametransform/longnames.go
index 6fc080b..c17f121 100644
--- a/internal/nametransform/longnames.go
+++ b/internal/nametransform/longnames.go
@@ -76,7 +76,7 @@ func ReadLongNameAt(dirfd int, cName string) (string, error) {
 	cName += LongNameSuffix
 	var f *os.File
 	{
-		fd, err := syscallcompat.Openat(dirfd, cName, syscall.O_NOFOLLOW, 0)
+		fd, err := syscallcompat.Openat(dirfd, cName, syscall.O_RDONLY|syscall.O_NOFOLLOW, 0)
 		if err != nil {
 			return "", err
 		}