fix minor issue

moypray · moypray · commit d4091ef151f3 · 2017-03-17T03:18:44.000+08:00
When failed to attach veth pair, should remove the veth device

Signed-off-by: Wentao Zhang &lt;zhangwentao234@huawei.com&gt;
diff --git a/libcontainer/network_linux.go b/libcontainer/network_linux.go
@@ -171,7 +171,7 @@ func (v *veth) create(n *network, nspid int) (err error) {
 			netlink.LinkDel(veth)
 		}
 	}()
-	if err := v.attach(&n.Network); err != nil {
+	if err = v.attach(&n.Network); err != nil {
 		return err
 	}
 	child, err := netlink.LinkByName(n.TempVethPeerName)

Original file line number	Diff line number	Diff line change
`@@ -171,7 +171,7 @@ func (v veth) create(n network, nspid int) (err error) {`
`171`	`171`	`netlink.LinkDel(veth)`
`172`	`172`	`}`
`173`	`173`	`}()`
`174`		`- if err := v.attach(&n.Network); err != nil {`
	`174`	`+ if err = v.attach(&n.Network); err != nil {`
`175`	`175`	`return err`
`176`	`176`	`}`
`177`	`177`	`child, err := netlink.LinkByName(n.TempVethPeerName)`