Re: [RFC] URBs and buffer management

Pete Zaitcev <[email protected]>
Newsgroups gmane.linux.usb.devel
Organization Red Hat, Inc.
Message-ID <[email protected]>
On Mon, 04 Jun 2007 10:38:44 +0200, Marcel Holtmann <[email protected]> wrote:

>  static void urb_destroy(struct kref *kref)
>  {
>  	struct urb *urb = to_urb(kref);
> +
> +	if (urb->transfer_flags & URB_FREE_BUFFER)
> +		usb_buffer_free(urb->dev, urb->transfer_buffer_length,
> +				urb->transfer_buffer, urb->transfer_dma);
> +
>  	kfree(urb);
>  }

This looks good to me, although it's useless for the vast majority
of drivers, because they use kmalloc, or should use kmalloc, but
use usb_buffer_alloc due to confusion. I'm actually wondering now
if your driver is one of the latter...

-- Pete

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