[libvirt] [PATCH]lxc: make sure root wouldn't be null

From: Chen Hanxiao <chenhanxiao(a)cn.fujitsu.com&gt; virDomainGetRootFilesystem may return null. We should take care of it. Signed-off-by: Chen Hanxiao <chenhanxiao(a)cn.fujitsu.com&gt; --- src/lxc/lxc_container.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/src/lxc/lxc_container.c b/src/lxc/lxc_container.c index 255c711..e8f7a75 100644 --- a/src/lxc/lxc_container.c +++ b/src/lxc/lxc_container.c @@ -1829,7 +1829,8 @@ static int lxcContainerChild(void *data) if (lxcContainerSetID(vmDef) < 0) goto cleanup; - root = virDomainGetRootFilesystem(vmDef); + if (!(root = virDomainGetRootFilesystem(vmDef))) + goto cleanup; if (argv->nttyPaths) { const char *tty = argv->ttyPaths[0]; -- 1.8.2.1