From: Zbigniew Jędrzejewski-Szmek <zbyszek@in.waw.pl>
Date: Sat, 19 Jul 2014 01:44:58 +0000 (-0400)
Subject: machinectl: make sure we are not reading an unitialized variable
X-Git-Tag: v216~492
X-Git-Url: https://www.chiark.greenend.org.uk/ucgi/~ianmdlvl/git?p=elogind.git;a=commitdiff_plain;h=e7e9b6bb0b0bc5b1eb256a44f8afec6b634f26ef

machinectl: make sure we are not reading an unitialized variable
---

diff --git a/src/machine/machinectl.c b/src/machine/machinectl.c
index cc3be98b5..574c988e8 100644
--- a/src/machine/machinectl.c
+++ b/src/machine/machinectl.c
@@ -376,6 +376,8 @@ static int map_netif(sd_bus *bus, const char *member, sd_bus_message *m, sd_bus_
         r = sd_bus_message_read_array(m, SD_BUS_TYPE_INT32, &v, &l);
         if (r < 0)
                 return r;
+        if (r == 0)
+                return -EBADMSG;
 
         i->n_netif = l / sizeof(int32_t);
         i->netif = memdup(v, l);