From: Ján Tomko <jtomko@redhat.com>
Date: Fri, 27 Jun 2014 08:47:05 +0000 (+0200)
Subject: Set errno on OOM in lxcProcReadMeminfo
X-Git-Url: http://xenbits.xensource.com/gitweb?a=commitdiff_plain;h=e12b8000c8e5e3c99c9f061316775d1b4ee67d4d;p=people%2Fliuw%2Flibxenctrl-split%2Flibvirt.git

Set errno on OOM in lxcProcReadMeminfo

It sets the errno on all other errors, do it here too.
Also report an error.
---

diff --git a/src/lxc/lxc_fuse.c b/src/lxc/lxc_fuse.c
index ee1561cfc..a3a1275d8 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)