libcontainer/nsinit: remove Wait call from Exec and Kill from Attach in tty_term.go

Docker-DCO-1.1-Signed-off-by: Erik Hollensbe <github@hollensbe.org> (github: erikh)

nsinit/exec.go

@@ -42,7 +42,6 @@ func Exec(container *libcontainer.Container, term Terminal, rootfs, dataPath str
 	command := createCommand(container, console, rootfs, dataPath, os.Args[0], syncPipe.child, args)
 
 	if err := term.Attach(command); err != nil {
-		command.Wait()
 		return -1, err
 	}
 	defer term.Close()

nsinit/tty_term.go

@@ -28,10 +28,11 @@ func (t *TtyTerminal) Attach(command *exec.Cmd) error {
 	go io.Copy(t.master, t.stdin)
 
 	state, err := t.setupWindow(t.master, os.Stdin)
+
 	if err != nil {
-		command.Process.Kill()
 		return err
 	}
+
 	t.state = state
 	return err
 }