Re: [PATCH v2] memstick/ms_block: Add check for alloc_ordered_workqueue

From: Dan Carpenter
Date: Sat Nov 26 2022 - 03:07:05 EST


On Sat, Nov 26, 2022 at 09:25:58AM +0800, Jiasheng Jiang wrote:
> As the alloc_ordered_workqueue may return NULL pointer,
> it should be better to add check for the return
> value.
> Moreover, the msb->io_queue should be freed if error occurs later.
>
> Fixes: 0ab30494bc4f ("memstick: add support for legacy memorysticks")
> Signed-off-by: Jiasheng Jiang <jiasheng@xxxxxxxxxxx>
> ---
> Changelog:
>
> v1 -> v2:
>
> 1. Assign error number to rc if alloc_ordered_workqueue fails.
> 2. Free msb->io_queue if error occurs later.
> ---

My other question about this driver, not really directed to you but to
anyone on the list is where the final destroy_workqueue(msb->io_queue)
is when we unload the driver.

regards,
dan carpenter