Re: [PATCH] crypto/hisilicon: Add null judgment to the callback interface

[Herbert Xu]

On Fri, Sep 30, 2022 at 11:48:02AM +0800, liulongfang wrote:
>
> Even if the task is sent in synchronous mode, when using the hardware
> driver, the hardware still informs the driver software through an
> interrupt after completing the task, and the workqueue in the driver
> software will call this callback function.
> 
> And I found that the device drivers of other manufacturers under the
> crypto subsystem are also in this asynchronous mode, and this problem
> is also encountered when using the synchronous mode.

This still makes no sense to me.

Who is making an async request with no callback?

Cheers,
-- 
Email: Herbert Xu <herbert@xxxxxxxxxxxxxxxxxxx>
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