X-Git-Url: https://www.chiark.greenend.org.uk/ucgi/~ianmdlvl/git?a=blobdiff_plain;f=src%2Fdbus-common.c;h=5db077b74fb8115157cd8932ea1a8b98ae70c188;hb=f8e08a77e7bbea802b50adcb442f99af462fa96e;hp=9bf0dabe4cf1da450dc84d3a58f63330059064ef;hpb=572481b9094f7f1fbba69f1bd0c8f7db31550b01;p=elogind.git

diff --git a/src/dbus-common.c b/src/dbus-common.c
index 9bf0dabe4..5db077b74 100644
--- a/src/dbus-common.c
+++ b/src/dbus-common.c
@@ -418,9 +418,13 @@ DBusHandlerResult bus_default_message_handler(
                         return bus_send_error_reply(c, message, &error, -EINVAL);
                 }
 
-        } else if (!nulstr_contains(interfaces, dbus_message_get_interface(message))) {
-                dbus_set_error_const(&error, DBUS_ERROR_UNKNOWN_INTERFACE, "Unknown interface");
-                return bus_send_error_reply(c, message, &error, -EINVAL);
+        } else {
+                const char *interface = dbus_message_get_interface(message);
+
+                if (!interface || !nulstr_contains(interfaces, interface)) {
+                        dbus_set_error_const(&error, DBUS_ERROR_UNKNOWN_INTERFACE, "Unknown interface");
+                        return bus_send_error_reply(c, message, &error, -EINVAL);
+                }
         }
 
         if (reply) {