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https://github.com/AuxXxilium/eudev.git
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systemctl: use automatic cleanup
Introduce a helper method to unref dbus messages and use it.
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67445f4e22
commit
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@ -1318,3 +1318,9 @@ finish:
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return r;
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}
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void dbus_message_unref_p(DBusMessage **reply) {
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if (*reply)
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dbus_message_unref(*reply);
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}
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@ -213,3 +213,6 @@ int bus_method_call_with_reply(DBusConnection *bus,
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DBusMessage **return_reply,
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DBusError *return_error,
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int first_arg_type, ...);
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void dbus_message_unref_p(DBusMessage **reply);
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#define _cleanup_dbus_msg_unref_ __attribute__((cleanup(dbus_message_unref_p)))
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@ -1441,22 +1441,22 @@ static void check_triggering_units(
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DBusConnection *bus,
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const char *unit_name) {
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DBusMessage *reply = NULL;
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DBusMessage _cleanup_dbus_msg_unref_ *reply = NULL;
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DBusMessageIter iter, sub;
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char *service_trigger = NULL;
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const char *interface = "org.freedesktop.systemd1.Unit",
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*triggered_by_property = "TriggeredBy";
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char *unit_path = NULL, *n = NULL;
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char _cleanup_free_ *unit_path = NULL, *n = NULL;
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bool print_warning_label = true;
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int r;
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n = unit_name_mangle(unit_name);
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unit_path = unit_dbus_path_from_name(n ? n : unit_name);
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free(n);
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if (!unit_path) {
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log_error("Could not allocate dbus path.");
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goto finish;
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return;
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}
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r = bus_method_call_with_reply (
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@ -1471,13 +1471,12 @@ static void check_triggering_units(
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DBUS_TYPE_STRING, &triggered_by_property,
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DBUS_TYPE_INVALID);
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if (r)
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goto finish;
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return;
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if (!dbus_message_iter_init(reply, &iter) ||
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dbus_message_iter_get_arg_type(&iter) != DBUS_TYPE_VARIANT) {
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log_error("Failed to parse reply.");
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goto finish;
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return;
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}
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dbus_message_iter_recurse(&iter, &sub);
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@ -1488,14 +1487,14 @@ static void check_triggering_units(
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if (dbus_message_iter_get_arg_type(&sub) != DBUS_TYPE_STRING) {
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log_error("Failed to parse reply.");
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goto finish;
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return;
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}
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dbus_message_iter_get_basic(&sub, &service_trigger);
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r = check_one_unit(bus, service_trigger, true);
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if (r < 0)
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goto finish;
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return;
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if (r == 0) {
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if (print_warning_label) {
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log_warning("Warning: Stopping %s, but it can still be activated by:", unit_name);
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@ -1506,11 +1505,6 @@ static void check_triggering_units(
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dbus_message_iter_next(&sub);
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}
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finish:
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if (reply)
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dbus_message_unref(reply);
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free(unit_path);
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}
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static int start_unit_one(
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