common/nvme: remove allowed_hosts before remove subsys in nvmet configfs

[yizhanglinux]

$ nvme_trtype=tcp ./check nvme/063 nvme/063 (tr=tcp) (Create authenticated TCP connections with secure concatenation) runtime 2.220s ... WARNING: Test did not clean up port: 0 nvme/063 (tr=tcp) (Create authenticated TCP connections with secure concatenation) [failed] runtime 2.220s ... 2.217sost: nqn.2014-08.org.nvmexpress:uuid:0f01fb42-9f7f-4856-b0b3-51e60b8de349 --- tests/nvme/063.out 2025-11-02 02:47:38.826227836 -0500 +++ /root/blktests/results/nodev_tr_tcp/nvme/063.out.bad 2025-11-02 08:43:09.743150576 -0500 @@ -1,7 +1,3 @@ Running nvme/063 Test secure concatenation with SHA256 -Reset controller -disconnected 1 controller(s) -Test secure concatenation with SHA384 -disconnected 1 controller(s) -Test complete ... (Run 'diff -u tests/nvme/063.out /root/blktests/results/nodev_tr_tcp/nvme/063.out.bad' to see the entire diff)

Link: https://github.com/linux-blktests/blktests/issues/207

[kawasaki]

@yizhanglinux I guess the failure of nvme/063 indicates a bug in kernel side, and it should be fixed with this patch. Could you try it out?

[yizhanglinux]

@yizhanglinux I guess the failure of nvme/063 indicates a bug in kernel side, and it should be fixed with this patch. Could you try it out?

Yes, just confirmed the failure issue was fixed by the patch.

[igaw]

I think adding the cleanup code would still make sense, as it makes the test suite more robust, no?