From: David Herrmann <dh.herrmann@gmail.com>
Date: Thu, 11 Dec 2014 09:45:58 +0000 (+0100)
Subject: bus: zero cmd_free before passing to ioctl
X-Git-Tag: v219~1066
X-Git-Url: http://www.chiark.greenend.org.uk/ucgi/~ianmdlvl/git?p=elogind.git;a=commitdiff_plain;h=055b27f29484b625e03706319c918e3a644e00b9;ds=sidebyside

bus: zero cmd_free before passing to ioctl

Make sure the whole cmd_free object is zeroed before passing it into the
kernel. This makes valgrind happy and makes us future proof.
---

diff --git a/src/libsystemd/sd-bus/bus-message.c b/src/libsystemd/sd-bus/bus-message.c
index 0803999e0..6bf39cef6 100644
--- a/src/libsystemd/sd-bus/bus-message.c
+++ b/src/libsystemd/sd-bus/bus-message.c
@@ -130,7 +130,7 @@ static void message_free(sd_bus_message *m) {
         message_reset_parts(m);
 
         if (m->release_kdbus) {
-                struct kdbus_cmd_free cmd_free;
+                struct kdbus_cmd_free cmd_free = { };
 
                 cmd_free.flags = 0;
                 cmd_free.offset = (uint8_t *)m->kdbus - (uint8_t *)m->bus->kdbus_buffer;