svn commit: r198748 - in head/sys/cam: . ata scsi

[Andrew Thompson]

2009/11/2 Alexander Motin <mav at freebsd.org>:
> Author: mav
> Date: Sun Nov  1 11:31:06 2009
> New Revision: 198748
> URL: http://svn.freebsd.org/changeset/base/198748
>
> Log:
>  MFp4:
>  Fix reference counting bug, when device unreferenced before then
>  invalidated. To do it, do not handle validity flag as another
>  reference, but explicitly modify reference count each time flag is
>  modified.
>
>  Discovered by:        thompsa

Thanks!