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From:   Christoph Hellwig <hch@infradead.org>
To:     Ayush Jain <ayush.jain3@amd.com>
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Subject: Re: Kernel null pointer dereference on stopping raid device
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On Thu, Jun 15, 2023 at 11:14:02AM +0530, Ayush Jain wrote:
> > That was just a quick hack to verify the problem.  I think this is
> > the proper fix, can you try it as well?
> > 
> 
> Sure, this works on my machine.
> 
> Tested-by: Ayush Jain <ayush.jain3@amd.com>

So it turns out that Jens merged the md pull request for 6.5 yesterday,
and that includes and equivalent change in

3ce94ce5d05ae89190a23f6187f64d8f4b2d3782
Author: Yu Kuai <yukuai3@huawei.com>
Date:   Tue May 23 09:27:27 2023 +0800

    md: fix duplicate filename for rdev

With that I think we don't need an extra fix.  Sorry for all the
extra work.