From f7e70badb0ee4fb9737bf9793e17eedd907b68f8 Mon Sep 17 00:00:00 2001
From: "sumit.saxena@avagotech.com" <sumit.saxena@avagotech.com>
Date: Thu, 15 Oct 2015 13:40:54 +0530
Subject: [PATCH] megaraid_sas : SMAP restriction--do not access user memory
 from IOCTL code

commit 323c4a02c631d00851d8edc4213c4d184ef83647 upstream.

This is an issue on SMAP enabled CPUs and 32 bit apps running on 64 bit
OS. Do not access user memory from kernel code. The SMAP bit restricts
accessing user memory from kernel code.

Signed-off-by: Sumit Saxena <sumit.saxena@avagotech.com>
Signed-off-by: Kashyap Desai <kashyap.desai@avagotech.com>
Reviewed-by: Tomas Henzl <thenzl@redhat.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Signed-off-by: Ben Hutchings <ben@decadent.org.uk>
---
Reading git-format-patch failed