On Mon, Feb 3, 2025, at 10:31, Jens Wiklander wrote: > On Mon, Feb 3, 2025 at 9:00 AM Sumit Garg <sumit.garg@xxxxxxxxxx> wrote: > Why not mutex_lock()? If we fail to acquire the mutex here, we will > quite likely free the req list item below at the end of this function > while it remains in the list. Right, I had mentioned mutex_lock_killable in an earlier reply, as I didn't know exactly where it hang. If we know that the wait_event_interruptible() was causing the hang, then the normal mutex_lock should be fine. Arnd