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Message-ID: <Y4HH5Ch1ABrRzN5/@kadam>
Date:   Sat, 26 Nov 2022 11:01:40 +0300
From:   Dan Carpenter <error27@...il.com>
To:     Jiasheng Jiang <jiasheng@...as.ac.cn>
Cc:     maximlevitsky@...il.com, oakad@...oo.com, ulf.hansson@...aro.org,
        christophe.jaillet@...adoo.fr, axboe@...nel.dk, hare@...e.de,
        linux-mmc@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH v2] memstick/ms_block: Add check for
 alloc_ordered_workqueue

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@...as.ac.cn>
> ---
> 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

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