From 7e28adeb63818ee96dac015c0766be461e13fb64 Mon Sep 17 00:00:00 2001
From: Lennart Poettering <lennart@poettering.net>
Date: Thu, 15 May 2014 17:54:32 +0200
Subject: [PATCH] sd-bus: make sure we properly handle NULL callback functions

---
 src/libsystemd/sd-bus/bus-match.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/libsystemd/sd-bus/bus-match.c b/src/libsystemd/sd-bus/bus-match.c
index 3391b1a..9e0769c 100644
--- a/src/libsystemd/sd-bus/bus-match.c
+++ b/src/libsystemd/sd-bus/bus-match.c
@@ -289,7 +289,7 @@ int bus_match_run(
                         return r;
 
                 /* Run the callback. And then invoke siblings. */
-                if (node->leaf.callback) {
+                if (node->leaf.callback->callback) {
                         _cleanup_bus_error_free_ sd_bus_error error_buffer = SD_BUS_ERROR_NULL;
                         sd_bus_slot *slot;
 
-- 
2.7.4