From 84c6ae205883b8f397fdc7a06f6ed233a9c14e1d Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?V=C3=A1clav=20Pavl=C3=ADn?= <vpavlin@redhat.com>
Date: Fri, 21 Sep 2012 13:01:39 +0200
Subject: [PATCH] logind: check return value, log warning on error (cherry
 picked from commit
 5a165aa6b9aa921d8b069059026d84e879ac38cc)

---
 src/login/logind-session.c | 4 +++-
 src/login/logind-user.c    | 4 +++-
 2 files changed, 6 insertions(+), 2 deletions(-)

diff --git a/src/login/logind-session.c b/src/login/logind-session.c
index e4a7473..80f41df 100644
--- a/src/login/logind-session.c
+++ b/src/login/logind-session.c
@@ -529,7 +529,9 @@ 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 fa12e1d..31c76e3 100644
--- a/src/login/logind-user.c
+++ b/src/login/logind-user.c
@@ -315,7 +315,9 @@ 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;
 }