On Sat, 28 Nov 2009 05:20:32 pm Amit Shah wrote:
> @@ -196,7 +216,9 @@ static void virtcons_apply_config(struct virtio_device 
> *dev)
>               dev->config->get(dev,
>                                offsetof(struct virtio_console_config, rows),
>                                &ws.ws_row, sizeof(u16));
> -             hvc_resize(port->hvc, ws);
> +             /* This is the pre-multiport style: we use control messages
> +              * these days which specify the port.  So this means port 0. */
> +             hvc_resize(find_port_by_vtermno(0)->hvc, ws);
>       }

We end up doing this in a couple of places; perhaps we should have something
like:
        /*
         * Before multiple console support, we always had a single console.
         * Code paths without those features can use this.
         */
        static struct port *old_style_unique_console(void)
        {
                return find_port_by_vtermno(0);
        }

>       err = -ENOMEM;
> -     port = add_port(pdrvdata.next_vtermno);
> +     port = kzalloc(sizeof *port, GFP_KERNEL);
>       if (!port)
>               goto fail;

I still dislike kzalloc.  I think I've said this before :)

Thanks,
Rusty.
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