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From 93413acd3ef3a637a0f31a1d133b103e1dc81fd6 Mon Sep 17 00:00:00 2001
From: Yu Watanabe <watanabe.yu+github@gmail.com>
Date: Mon, 23 Aug 2021 06:16:48 +0900
Subject: [PATCH] path-util: make find_executable() work without /proc mounted
Follow-up for 888f65ace6296ed61285d31db846babf1c11885e.
Hopefully fixes #20514.
---
src/basic/path-util.c | 6 +++++-
1 file changed, 5 insertions(+), 1 deletion(-)
diff --git a/src/basic/path-util.c b/src/basic/path-util.c
index d11f254a9f6a..a21981616b59 100644
--- a/src/basic/path-util.c
+++ b/src/basic/path-util.c
@@ -630,7 +630,11 @@ static int check_x_access(const char *path, int *ret_fd) {
return r;
r = access_fd(fd, X_OK);
- if (r < 0)
+ if (r == -ENOSYS) {
+ /* /proc is not mounted. Fallback to access(). */
+ if (access(path, X_OK) < 0)
+ return -errno;
+ } else if (r < 0)
return r;
if (ret_fd)
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