cgroup: if a controller is not available don't try to create cgroups in its hierarchy

[elogind.git] / src / core / cgroup.c

diff --git a/src/core/cgroup.c b/src/core/cgroup.c
index 7a5f673a7ad0c7e4731dda7bd3f9b08baf8a2254..3334f216a240bf19261d994f9b28b75eb56dbda5 100644 (file)
--- a/src/core/cgroup.c
+++ b/src/core/cgroup.c
@@ -334,7 +334,8 @@ int manager_setup_cgroup(Manager *m) {
         }
 
         /* 2. Show data */
-        if ((r = cg_get_path(SYSTEMD_CGROUP_CONTROLLER, m->cgroup_hierarchy, NULL, &path)) < 0) {
+        r = cg_get_path(SYSTEMD_CGROUP_CONTROLLER, m->cgroup_hierarchy, NULL, &path);
+        if (r < 0) {
                 log_error("Cannot find cgroup mount point: %s", strerror(-r));
                 goto finish;
         }
@@ -342,7 +343,8 @@ int manager_setup_cgroup(Manager *m) {
         log_debug("Using cgroup controller " SYSTEMD_CGROUP_CONTROLLER ". File system hierarchy is at %s.", path);
 
         /* 3. Install agent */
-        if ((r = cg_install_release_agent(SYSTEMD_CGROUP_CONTROLLER, SYSTEMD_CGROUP_AGENT_PATH)) < 0)
+        r = cg_install_release_agent(SYSTEMD_CGROUP_CONTROLLER, SYSTEMD_CGROUP_AGENT_PATH);
+        if (r < 0)
                 log_warning("Failed to install release agent, ignoring: %s", strerror(-r));
         else if (r > 0)
                 log_debug("Installed release agent.");