Re: USB autosuspend vs. URB submission

[Oliver Neukum]

On Thursday 10 January 2013 13:13:58 Ming Lei wrote:
> IMO, there is a minor fault in the error handling path of
> uvc_status_start() inside uvc_v4l2_open(), and the 'users' count
> should have been decreased before usb_autopm_put_interface().
> In theory, the warning can be triggered when the device is
> opened just between usb_autopm_put_interface() and
> atomic_dec(&stream->dev->users), but I don't think it is
> the cause of the report.

Hi,

the analysis is sound. Good catch. As the fix is trivial, I am making
a quick patch.

	Regards
		Oliver

--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/