From: Lukas Nykryn <lnykryn@redhat.com>
Date: Fri, 1 Mar 2013 17:29:58 +0000 (+0100)
Subject: systemctl: check if iterator was initialized succesfully
X-Git-Tag: v198~117
X-Git-Url: http://www.chiark.greenend.org.uk/ucgi/~ianmdlvl/git?p=elogind.git;a=commitdiff_plain;h=fea9740ae463c409b84a38d2592d434c2875975b;ds=sidebyside

systemctl: check if iterator was initialized succesfully
---

diff --git a/src/systemctl/systemctl.c b/src/systemctl/systemctl.c
index c67c6c972..99286cfc7 100644
--- a/src/systemctl/systemctl.c
+++ b/src/systemctl/systemctl.c
@@ -2084,7 +2084,11 @@ static int get_cgroup_attr(DBusConnection *bus, char **args) {
                 if (r < 0)
                         return r;
 
-                dbus_message_iter_init(reply, &iter);
+                if (!dbus_message_iter_init(reply, &iter)) {
+                        log_error("Failed to initialize iterator.");
+                        return -EIO;
+                }
+
                 r = bus_parse_strv_iter(&iter, &list);
                 if (r < 0) {
                         log_error("Failed to parse value list.");