From 2e5ed7fdfb23566cc3d85ce028b2f446c7bf057b Mon Sep 17 00:00:00 2001
From: Dan Carpenter <dan.carpenter@oracle.com>
Date: Fri, 25 Apr 2014 00:49:13 +0300
Subject: [PATCH] staging: lustre: improve length checks in ioctls

We copy "hdr->ioc_len" from the user twice but we only verify that it's
within the limit on the first copy.  Otherwise we could read unmapped
memory and Oops.

Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Reviewed-by: Peng Tao <bergwolf@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Reading git-format-patch failed