[IB] user_mad: Use class_device.devt

Use devt member of struct class_device so that we don't have to create
our own "dev" file in sysfs.

Signed-off-by: Roland Dreier <rolandd@cisco.com>
This commit is contained in:
Roland Dreier 2005-10-20 12:54:01 -07:00
commit bbf2078609