Re: [PATCH 2/3] Add rfkill support to compal-laptop

[Johannes Berg]

Hi Mario,

First, let me say I agree with Alan, the option 1 is more desirable if
possible to do with the hardware. But this looks ok from an rfkill POV
now, except there's a small bug:

> +       ret = setup_rfkill();
> +       if (ret)
> +               printk(KERN_WARNING "compal-laptop: Unable to setup
> rfkill\n");

That doesn't error out, so

> +       rfkill_unregister(wifi_rfkill);
> +       rfkill_destroy(wifi_rfkill);
> +       rfkill_unregister(bt_rfkill);
> +       rfkill_destroy(bt_rfkill);

this will crash without NULL checks.

(and you have to explicitly assign NULL in setup_rfkill() too, when
bluetooth fails and wifi is freed)

johannes

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