From 37171e3cb7a2f6fc594b524c940beb1ce85cc935 Mon Sep 17 00:00:00 2001
From: Seth Jennings <sjenning@linux.vnet.ibm.com>
Date: Tue, 20 Aug 2013 12:13:02 -0500
Subject: [PATCH] drivers: base: remove improper get/put in
 add_memory_section()

The path through add_memory_section() when the memory block already
exists uses flawed refcounting logic.  A get_device() is done on a
memory block using a pointer that might not be valid as we dropped
our previous reference and didn't obtain a new reference in the
proper way.

Lets stop pretending and just remove the get/put.  The
mem_sysfs_mutex, which we hold over the entire init loop now, will
prevent the memory blocks from disappearing from under us.

Signed-off-by: Seth Jennings <sjenning@linux.vnet.ibm.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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