From db671a8ecd764baf76a698b8366603a147880734 Mon Sep 17 00:00:00 2001
From: Al Viro <viro@zeniv.linux.org.uk>
Date: Wed, 4 Feb 2015 16:02:09 -0500
Subject: [PATCH] don't bother with most of the bad_file_ops methods

Only ->open() should be there (always failing, of course).  We never
replace ->f_op of an already opened struct file, so there's no way
for any of those methods to be called.

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
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