On Thu, Jul 21, 2022 at 12:00:05PM +0200, Jiri Kosina wrote: > Don't we actually need the mutex for much longer period during > roccat_report_event()? At minimum it's also manipulating cbuf_end. I modified the mutex to protect most of the roccat_report_event() in the second patch above sent in reply. Looking again, I submitted the second patch with some confusion. Sorry. Regards, Hyunwoo Kim.