[ldv-project] [PATCH] xen-netback: do not report success if backend_create_xenvif() fails

[Wei Liu]

On Mon, Nov 24, 2014 at 01:58:00PM +0300, Alexey Khoroshilov wrote:
> If xenvif_alloc() or xenbus_scanf() fail in backend_create_xenvif(),
> xenbus is left in offline mode but netback_probe() reports success.
> 
> The patch implements propagation of error code for backend_create_xenvif().
> 
> Found by Linux Driver Verification project (linuxtesting.org).
> 
> Signed-off-by: Alexey Khoroshilov <khoroshilov at ispras.ru>

Acked-by: Wei Liu <wei.liu2 at citrix.com>

Thanks!