From 54b5ba1d1f4dcfe181bb3f1e22c7b8d229cae633 Mon Sep 17 00:00:00 2001
From: Lennart Poettering <lennart@poettering.net>
Date: Thu, 22 Nov 2018 12:01:32 +0100
Subject: [PATCH] cgroup: propagate errors when we cannot open
 cgroup.subtree_control

---
 src/basic/cgroup-util.c | 6 ++----
 1 file changed, 2 insertions(+), 4 deletions(-)

diff --git a/src/basic/cgroup-util.c b/src/basic/cgroup-util.c
index 94ae37dcb0..0cd77e7f29 100644
--- a/src/basic/cgroup-util.c
+++ b/src/basic/cgroup-util.c
@@ -2635,10 +2635,8 @@ int cg_enable_everywhere(CGroupMask supported, CGroupMask mask, const char *p) {
 
                         if (!f) {
                                 f = fopen(fs, "we");
-                                if (!f) {
-                                        log_debug_errno(errno, "Failed to open cgroup.subtree_control file of %s: %m", p);
-                                        break;
-                                }
+                                if (!f)
+                                        return log_debug_errno(errno, "Failed to open cgroup.subtree_control file of %s: %m", p);
                         }
 
                         r = write_string_stream(f, s, WRITE_STRING_FILE_DISABLE_BUFFER);