[Bug 271677] ertt module unload error at shutdown

From: <bugzilla-noreply_at_freebsd.org>
Date: Fri, 17 Nov 2023 18:51:53 UTC
https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=271677

--- Comment #11 from commit-hook@FreeBSD.org ---
A commit in branch main references this bug:

URL:
https://cgit.FreeBSD.org/src/commit/?id=415c1c748d5492e41328fedf96b6bf3c9be94595

commit 415c1c748d5492e41328fedf96b6bf3c9be94595
Author:     Mike Karels <karels@FreeBSD.org>
AuthorDate: 2023-11-17 18:51:18 +0000
Commit:     Mike Karels <karels@FreeBSD.org>
CommitDate: 2023-11-17 18:51:18 +0000

    khelp: suppress useless warning message on shutdown

    If a module (e.g. the ertt hhook for TCP) can't clean up at
    shutdown, there is nothing to be done about it.  In the ertt case,
    cleanup is just shutting down a UMA zone, which doesn't need to be
    done.  Suppress EBUSY warnings on shutdown.

    PR:             271677
    Reviewed by:    tuexen, imp
    Differential Revision:  https://reviews.freebsd.org/D42650

 sys/kern/kern_khelp.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

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