[libvirt] [PATCH] lxc: don't update memUsage when failing to get memory usage

Signed-off-by: Chen Hanxiao <chenhanxiao(a)cn.fujitsu.com&gt; --- src/lxc/lxc_cgroup.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/src/lxc/lxc_cgroup.c b/src/lxc/lxc_cgroup.c index 8dfdc60..af95941 100644 --- a/src/lxc/lxc_cgroup.c +++ b/src/lxc/lxc_cgroup.c @@ -194,7 +194,8 @@ static int virLXCCgroupGetMemUsage(virCgroupPtr cgroup, unsigned long memUsage; ret = virCgroupGetMemoryUsage(cgroup, &memUsage); - meminfo->memusage = (unsigned long long) memUsage; + if (ret == 0) + meminfo->memusage = (unsigned long long) memUsage; return ret; } -- 1.9.0