[Bug 269842] iwlwifi: crash (kernel panic) on ifconfig wlan0 destroy

https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=269842

--- Comment #7 from commit-hook@FreeBSD.org ---
A commit in branch releng/14.0 references this bug:

URL:
https://cgit.FreeBSD.org/src/commit/?id=914a319cd6ec26415459259d3f7c5c49d11f0654

commit 914a319cd6ec26415459259d3f7c5c49d11f0654
Author:     Bjoern A. Zeeb <bz@FreeBSD.org>
AuthorDate: 2023-09-30 15:20:53 +0000
Commit:     Bjoern A. Zeeb <bz@FreeBSD.org>
CommitDate: 2023-10-09 23:14:52 +0000

    LinuxKPI: 802.11: improve lkpi_ic_vap_delete()

    Changing the order of cleanup in lkpi_ic_vap_delete() will avoid
    firmware crashes or a direct panic as observed as ieee80211_vap_detach()
    will do most cleanup for us and get us into the correct state.

    Calling mo_stop() in lkpi_ic_vap_delete() seems to stop the problem
    that further VAPs could not be created (error 17) after the first one
    being destroyed.

    Sponsored by:   The FreeBSD Foundation
    PR:             269842
    Approved by:    re (gjb)

    (cherry picked from commit dbf7691999abe501e0ebc0fe4d8d9e97718d3890)
    (cherry picked from commit 6c38c6b1b917957d420902213f318bf0153214f2)
    (cherry picked from commit 53ef38313a6dd70e5d929a3d014cc62db807793f)

 sys/compat/linuxkpi/common/src/linux_80211.c | 9 ++++++++-
 1 file changed, 8 insertions(+), 1 deletion(-)

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