Re: [PATCH v2] Input: elan_i2c - check if device is there before really probing

[Fabio Estevam]

On Mon, May 8, 2017 at 9:45 PM, Dmitry Torokhov
<dmitry.torokhov@xxxxxxxxx> wrote:

> +       /* Make sure there is something at this address */
> +       error = i2c_smbus_read_byte(client);
> +       if (error < 0) {
> +               dev_dbg(&client->dev, "nothing at this address: %d\n", error);
> +               return -ENXIO;

You could return the real error code here: 'return error'