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systemd/SOURCES/0633-logind-improve-error-p...

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From 117ed6bd7aa71fc79599e1d37bdb4a94b3505a38 Mon Sep 17 00:00:00 2001
From: Lennart Poettering <lennart@poettering.net>
Date: Wed, 8 Aug 2018 16:03:11 +0200
Subject: [PATCH] logind: improve error propagation of user_check_linger_file()
Let's make this a bit prettier, and propagate unexpected access() errors
correctly.
(The callers of this function will suppress them, but it's nicer of they
do that, rather than us doing that twice in both the callers and the
callees)
(cherry picked from commit 6996df9b864981980f5b713dc5c7d506a7a4b9bf)
Related: #1642460
---
src/login/logind-user.c | 8 +++++++-
1 file changed, 7 insertions(+), 1 deletion(-)
diff --git a/src/login/logind-user.c b/src/login/logind-user.c
index 70f5eb9d59..3fd28fc66c 100644
--- a/src/login/logind-user.c
+++ b/src/login/logind-user.c
@@ -532,8 +532,14 @@ int user_check_linger_file(User *u) {
return -ENOMEM;
p = strjoina("/var/lib/systemd/linger/", cc);
+ if (access(p, F_OK) < 0) {
+ if (errno != ENOENT)
+ return -errno;
- return access(p, F_OK) >= 0;
+ return false;
+ }
+
+ return true;
}
bool user_may_gc(User *u, bool drop_not_started) {