Re: [PATCH 2/2] usbip: identify the event handler with current_work()

[John Ernberg <john.ernberg@actia.se>]

Hi Michael,

On 11/11/2026 12:34, Michael Grzeschik wrote:
> usbip_in_eh() compares the task with worker_context, the first worker
> that ever ran the event handler. Workers of the unbound usbip_event
> workqueue are reaped when idle and new ones run the handler later, so the
> check fails inside the event handler, and the remembered task_struct may
> be reused by any other task, which then wrongly counts as the event
> handler. stub_disconnect() relies on it to skip the shutdown of a device
> reset from the event handler.
> 
> Ask the workqueue which work item the current task executes instead.
> 
> Signed-off-by: Michael Grzeschik <grzeschik@puzzle.ch>

We sent a similar patch back in August that we forgot to follow up on. [1]

Reviewed-by: John Ernberg <john.ernberg@actia.se>

[1]: 
https://lore.kernel.org/linux-usb/20260803104342.2790105-1-john.ernberg@actia.se/

Thanks! // John Ernberg