releases/3.18.127/new-helper-uaccess_kernel.patch

   1 From db68ce10c4f0a27c1ff9fa0e789e5c41f8c4ea63 Mon Sep 17 00:00:00 2001
   2 From: Al Viro <viro@zeniv.linux.org.uk>
   3 Date: Mon, 20 Mar 2017 21:08:07 -0400
   4 Subject: new helper: uaccess_kernel()
   5
   6 From: Al Viro <viro@zeniv.linux.org.uk>
   7
   8 commit db68ce10c4f0a27c1ff9fa0e789e5c41f8c4ea63 upstream.
   9
  10 Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
  11 [only take the include/linux/uaccess.h portion - gregkh]
  12 Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
  13
  14 ---
  15  include/linux/uaccess.h |    3 +++
  16  1 file changed, 3 insertions(+)
  17
  18 --- a/include/linux/uaccess.h
  19 +++ b/include/linux/uaccess.h
  20 @@ -2,6 +2,9 @@
  21  #define __LINUX_UACCESS_H__
  22
  23  #include <linux/preempt.h>
  24 +
  25 +#define uaccess_kernel() segment_eq(get_fs(), KERNEL_DS)
  26 +
  27  #include <asm/uaccess.h>
  28
  29  /*