From 2c8d477a01cd154bbaab6c46a5ffeed3e55f1a6b Mon Sep 17 00:00:00 2001
From: Lennart Poettering <lennart@poettering.net>
Date: Thu, 12 Dec 2013 21:25:31 +0100
Subject: [PATCH 1/1] bus: fix parsing of matches against empty strings

---
 src/libsystemd-bus/bus-match.c | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/src/libsystemd-bus/bus-match.c b/src/libsystemd-bus/bus-match.c
index f7fca5f57..342819d9c 100644
--- a/src/libsystemd-bus/bus-match.c
+++ b/src/libsystemd-bus/bus-match.c
@@ -755,6 +755,14 @@ int bus_match_parse(
                         escaped = false;
                 }
 
+                if (!value) {
+                        value = strdup("");
+                        if (!value) {
+                                r = -ENOMEM;
+                                goto fail;
+                        }
+                }
+
                 if (t == BUS_MATCH_MESSAGE_TYPE) {
                         r = bus_message_type_from_string(value, &u);
                         if (r < 0)
-- 
2.30.2