Re: [PATCH] [RFC] BTUSB: be quiet on device disconnect

From: Alan Stern
Date: Tue Aug 09 2011 - 12:00:32 EST

On Tue, 9 Aug 2011, Paul Bolle wrote:

> 1) I added Greg and linux-usb@xxxxxxxxxxxxxxx because usb_submit_urb()
> doesn't specify the meaning of its negative return values. I traced

In fact, many of these values are documented in

> -EPERM to usb_hcd_link_urb_to_ep(). That returns -EPERM if the urb is
> "being killed". Did I trace the calls made by usb_submit_urb()
> correctly? I also just assumed that -ENODEV always means device got
> disconnected or something comparable. Is that correct too?

Yes, those are both correct.

Alan Stern

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