nspawn: make sure mount_legacy_cgroup_hierarchy() can deal with NULL root directories

2015-09-30 12:23:33 +02:00
parent eb7ec83860
commit ee30f6ac32
1 changed files with 1 additions and 1 deletions
@@ -534,7 +534,7 @@ static int mount_legacy_cgroup_hierarchy(const char *dest, const char *controlle
        char *to;
        int r;

-        to = strjoina(dest, "/sys/fs/cgroup/", hierarchy);
+        to = strjoina(strempty(dest), "/sys/fs/cgroup/", hierarchy);

        r = path_is_mount_point(to, 0);
        if (r < 0 && r != -ENOENT)