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From: Nerius Landys <nlandys@gmail.com>
To: Adrian Chadd <adrian@freebsd.org>
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Cc: freebsd-current@freebsd.org
Subject: Re: What's so special about 0xffff EEPROM checksum
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> Where else have you found this check?

Hrm.  All over the ath code.  I guess that's the only place I saw it.