From: Lennart Poettering <lennart@poettering.net>
Date: Tue, 22 Oct 2013 11:40:54 +0000 (+0100)
Subject: bus: NULL signatures are OK too
X-Git-Tag: v209~1791
X-Git-Url: http://www.chiark.greenend.org.uk/ucgi/~ianmdlvl/git?p=elogind.git;a=commitdiff_plain;h=28d6633ae11fa0747a4bfa09effe839a91b6d5e4;hp=430fb8fab261e9661ccf3109b0a92cc9a34801b3

bus: NULL signatures are OK too
---

diff --git a/src/libsystemd-bus/bus-objects.c b/src/libsystemd-bus/bus-objects.c
index 90417fdca..c852ad6c4 100644
--- a/src/libsystemd-bus/bus-objects.c
+++ b/src/libsystemd-bus/bus-objects.c
@@ -333,14 +333,13 @@ static int invoke_property_get(
         switch (v->x.property.signature[0]) {
 
         case SD_BUS_TYPE_STRING:
-                p = *(char**) userdata;
-                if (!p)
-                        p = "";
+        case SD_BUS_TYPE_SIGNATURE:
+                p = strempty(*(char**) userdata);
                 break;
 
         case SD_BUS_TYPE_OBJECT_PATH:
-        case SD_BUS_TYPE_SIGNATURE:
                 p = *(char**) userdata;
+                assert(p);
                 break;
 
         default: