systemd/0026-udev-node-stack-directory-must-exist-when-adding-dev.patch

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From 506dc32b2428936d67e9cf1a034d6b63dbc1cbb0 Mon Sep 17 00:00:00 2001
From: Yu Watanabe <watanabe.yu+github@gmail.com>
Date: Wed, 1 Sep 2021 04:14:42 +0900
Subject: [PATCH] udev-node: stack directory must exist when adding device node
symlink
(cherry picked from commit 46070dbf26435ba0def099121f46a6253f3f19b6)
Related: #2005024
---
src/udev/udev-node.c | 11 ++++++-----
1 file changed, 6 insertions(+), 5 deletions(-)
diff --git a/src/udev/udev-node.c b/src/udev/udev-node.c
index 7cc9ee3670..4496a2bd9b 100644
--- a/src/udev/udev-node.c
+++ b/src/udev/udev-node.c
@@ -161,12 +161,13 @@ static int link_find_prioritized(sd_device *dev, bool add, const char *stackdir,
dir = opendir(stackdir);
if (!dir) {
- if (errno == ENOENT) {
- *ret = TAKE_PTR(target);
- return !!*ret;
- }
+ if (add) /* The stack directory must exist. */
+ return -errno;
+ if (errno != ENOENT)
+ return -errno;
- return -errno;
+ *ret = NULL;
+ return 0;
}
r = device_get_device_id(dev, &id);