From: Lennart Poettering <lennart@poettering.net>
Date: Fri, 17 Nov 2017 12:42:58 +0000 (+0100)
Subject: nspawn: minor optimization
X-Git-Tag: v236~152^2~9
X-Git-Url: http://git.ipfire.org/gitweb.cgi?a=commitdiff_plain;h=bf516294c89d8db9769d90b4f90c177adafa038c;p=thirdparty%2Fsystemd.git

nspawn: minor optimization

no need to prepare the target path if we quite the loop anyway one step
later.
---

diff --git a/src/nspawn/nspawn-mount.c b/src/nspawn/nspawn-mount.c
index 3273a7cfc43..bfff53054c3 100644
--- a/src/nspawn/nspawn-mount.c
+++ b/src/nspawn/nspawn-mount.c
@@ -1038,13 +1038,13 @@ static int mount_legacy_cgns_supported(
                         if (r == 0)
                                 break;
 
-                        target = prefix_root("/sys/fs/cgroup", tok);
-                        if (!target)
-                                return log_oom();
-
                         if (streq(controller, tok))
                                 break;
 
+                        target = prefix_root("/sys/fs/cgroup/", tok);
+                        if (!target)
+                                return log_oom();
+
                         r = symlink_idempotent(controller, target);
                         if (r == -EINVAL)
                                 return log_error_errno(r, "Invalid existing symlink for combined hierarchy: %m");