IB/umad: BKL is not needed for ib_umad_open()

Remove explicit lock_kernel() calls and document why the code is safe.

Signed-off-by: Roland Dreier <rolandd@cisco.com>
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
This commit is contained in:
Roland Dreier 2008-07-11 13:54:40 -07:00 • committed by Jonathan Corbet
commit feae1ef116