Re: [PATCH v3 06/13] peci: Add device detection

From: Greg Kroah-Hartman
Date: Mon Nov 15 2021 - 19:42:27 EST


On Mon, Nov 15, 2021 at 07:25:45PM +0100, Iwona Winiarska wrote:
> +void peci_device_destroy(struct peci_device *device)
> +{
> + bool killed;
> +
> + device_lock(&device->dev);
> + killed = kill_device(&device->dev);

Eeek, why call this?

> + device_unlock(&device->dev);
> +
> + if (!killed)
> + return;

What happened if something changed after you unlocked it?

Why is kill_device() required at all? That's a very rare function to
call, and one that only one "bus" calls today because it is very
special (i.e. crazy and broken...)

thanks,

greg k-h