bin/56472: mdmfs can not mount memory file system

[Norikatsu Shigemura]

Synopsis: mdmfs can not mount memory file system

Responsible-Changed-From-To: freebsd-bugs->phk
Responsible-Changed-By: nork
Responsible-Changed-When: Thu Sep 4 22:17:17 PDT 2003
Responsible-Changed-Why: 
Hi phk. I think this was already fixed.  Is this ok?
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phk         2003/09/04 14:23:46 PDT
  FreeBSD src repository
  Modified files:
    sys/geom             geom_dev.c 
  Log:
  Make sure to return ENOIOCTL if the ioctl is not handled.
  Revision  Changes    Path
  1.68      +2 -2      src/sys/geom/geom_dev.c
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Please see this PR.

http://www.freebsd.org/cgi/query-pr.cgi?pr=56472