# Re: \[PATCH v4\] sysfs: fix kobject refcount to address races with kobject removal

- From: Luis Chamberlain \<mcgrof@kernel.org\>
- Date: 2021-06-25 21:56:09 
- List: netdev
- Page: https://ratatoskr.run/netdev/2021/06/1426378
- Thread: https://ratatoskr.run/linux-block/2021/06/1424164/t.md

```text
On Thu, Jun 24, 2021 at 01:09:03PM +0200, Greg KH wrote:
> thanks for making this change and sticking with it!
> 
> Oh, and with this change, does your modprobe/rmmod crazy test now work?

It does but I wrote a test_syfs driver and I believe I see an issue with
this. I'll debug a bit more and see what it was, and I'll then also use
the driver to demo the issue more clearly, and then verification can be
an easy selftest test.

  Luis
```