From e12b8000c8e5e3c99c9f061316775d1b4ee67d4d Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?J=C3=A1n=20Tomko?= <jtomko@redhat.com>
Date: Fri, 27 Jun 2014 10:47:05 +0200
Subject: [PATCH] Set errno on OOM in lxcProcReadMeminfo

It sets the errno on all other errors, do it here too.
Also report an error.
---
 src/lxc/lxc_fuse.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/src/lxc/lxc_fuse.c b/src/lxc/lxc_fuse.c
index ee1561cfc9..a3a1275d8e 100644
--- a/src/lxc/lxc_fuse.c
+++ b/src/lxc/lxc_fuse.c
@@ -208,8 +208,10 @@ static int lxcProcReadMeminfo(char *hostpath, virDomainDefPtr def,
                 virBufferAdd(new_meminfo, line, -1);
             }
 
-            if (virBufferError(new_meminfo))
+            if (virBufferCheckError(new_meminfo) < 0) {
+                res = -errno;
                 goto cleanup;
+            }
 
             copied += strlen(line);
             if (copied > size)