logind: check return value, log warning on error

diff --git a/src/login/logind-session.c b/src/login/logind-session.c
index f670db853c9e65709ab6b420c8b2c34c013b7cc0..958b516701a9d95ea0890146ab0bc7e4aced8336 100644 (file)
--- a/src/login/logind-session.c
+++ b/src/login/logind-session.c
@@ -526,7 +526,9 @@ static int session_create_cgroup(Session *s) {
                 }
         }
 
-        hashmap_put(s->manager->session_cgroups, s->cgroup_path, s);
+        r = hashmap_put(s->manager->session_cgroups, s->cgroup_path, s);
+        if (r < 0)
+                log_warning("Failed to create mapping between cgroup and session");
 
         return 0;
 }

diff --git a/src/login/logind-user.c b/src/login/logind-user.c
index 9dfead9d5d706213d690b4f66e3dda34fdfbe016..b692b533e25f0341dd7f8fc0c02a1c51b9dc31b1 100644 (file)
--- a/src/login/logind-user.c
+++ b/src/login/logind-user.c
@@ -339,7 +339,9 @@ static int user_create_cgroup(User *u) {
                         log_warning("Failed to create cgroup %s:%s: %s", *k, p, strerror(-r));
         }
 
-        hashmap_put(u->manager->user_cgroups, u->cgroup_path, u);
+        r = hashmap_put(u->manager->user_cgroups, u->cgroup_path, u);
+        if (r < 0)
+                log_warning("Failed to create mapping between cgroup and user");
 
         return 0;
 }