From 23c6f770cc214a9c9fe29dc964b64400987faa62 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Zbigniew=20J=C4=99drzejewski-Szmek?= <zbyszek@in.waw.pl>
Date: Sun, 13 Oct 2013 17:40:34 -0400
Subject: [PATCH] bus: make sure we don't try to malloc 0 bytes

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

diff --git a/src/libsystemd-bus/bus-message.c b/src/libsystemd-bus/bus-message.c
index bc67c323808..3f68435d21b 100644
--- a/src/libsystemd-bus/bus-message.c
+++ b/src/libsystemd-bus/bus-message.c
@@ -1284,7 +1284,7 @@ static int part_make_space(
 
                 part->munmap_this = true;
         } else {
-                n = realloc(part->data, sz);
+                n = realloc(part->data, MAX(sz, 1u));
                 if (!n) {
                         m->poisoned = true;
                         return -ENOMEM;