Hi Peter, On Mon, Mar 11, 2019 at 2:41 PM Peter Rosin <peda@xxxxxxxxxx> wrote: > > This is false positive, AFAICT. The delayed work must have > finished while envelope_detector_read_raw() holds the read_lock > mutex, and it would be highly surprising if the device can go > away while it is handling an IIO ->read_raw call. (THAT would be > an interesting bug...) Quite right. I had completely overlooked the fact that wait_for_completion() cannot finish unless explicitly completed. Unlike wait_for_completion_interruptible(). So yes, this looks like a false positive. My apologies. Sven
