From 8bf13eb1e02b9977ae1cd331ae5dc7305a305a09 Mon Sep 17 00:00:00 2001
From: Daniel Mack <daniel@zonque.org>
Date: Tue, 7 Oct 2014 12:10:06 +0200
Subject: [PATCH] sd-bus: check return value of vasprintf

Check for OOM situations when vasprintf() returns < 0 in bus_error_setfv().

Spotted by coverity.
---
 src/libsystemd/sd-bus/bus-error.c | 9 +++++++--
 1 file changed, 7 insertions(+), 2 deletions(-)

diff --git a/src/libsystemd/sd-bus/bus-error.c b/src/libsystemd/sd-bus/bus-error.c
index abdfd73204..5ca974a191 100644
--- a/src/libsystemd/sd-bus/bus-error.c
+++ b/src/libsystemd/sd-bus/bus-error.c
@@ -194,8 +194,13 @@ int bus_error_setfv(sd_bus_error *e, const char *name, const char *format, va_li
                 return -ENOMEM;
         }
 
-        if (format)
-                vasprintf((char**) &e->message, format, ap);
+        if (format) {
+                int r;
+
+                r = vasprintf((char**) &e->message, format, ap);
+                if (r < 0)
+                        return -ENOMEM;
+        }
 
         e->_need_free = 1;