From bd13238d9b47752e97d548b9a5477ecb8a2f21c2 Mon Sep 17 00:00:00 2001
From: Kovid Goyal <kovid@kovidgoyal.net>
Date: Sat, 21 Jan 2023 17:46:37 +0530
Subject: [PATCH] Should only return ENOTSUPP if SHM_DIR doesnt exist, not the
 fil we are trying to open

---
 tools/utils/shm/shm_fs.go | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/tools/utils/shm/shm_fs.go b/tools/utils/shm/shm_fs.go
index 326f62370..d5866f3b9 100644
--- a/tools/utils/shm/shm_fs.go
+++ b/tools/utils/shm/shm_fs.go
@@ -117,7 +117,9 @@ func Open(name string, size uint64) (MMap, error) {
 	ans, err := os.OpenFile(file_path_from_name(name), os.O_RDONLY, 0)
 	if err != nil {
 		if errors.Is(err, fs.ErrNotExist) {
-			return nil, &ErrNotSupported{err: err}
+			if _, serr := os.Stat(SHM_DIR); serr != nil && errors.Is(serr, fs.ErrNotExist) {
+				return nil, &ErrNotSupported{err: serr}
+			}
 		}
 		return nil, err
 	}