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Cc: freebsd-usb@freebsd.org, n_hibma@freebsd.org
Subject: Re: Changes to usb/serial: how to distinguish between old and new
	interfaces in 8-STABLE and 9-CURRENT branches?
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Lev Serebryakov <lev@freebsd.org> wrote:

>   Last changes, committed to 8-STABLE ... breaks some API/ABI ...

AFAIK, changes that break API/ABI are not supposed to be MFCd.
Perhaps that one needs to be backed out of 8-STABLE?