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-usb" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html