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new helper: uaccess_kernel()
author
Al Viro
<viro@zeniv.linux.org.uk>
Tue, 21 Mar 2017 01:08:07 +0000
(21:08 -0400)
committer
Greg Kroah-Hartman
<gregkh@linuxfoundation.org>
Tue, 27 Nov 2018 15:05:38 +0000
(16:05 +0100)
commit
db68ce10c4f0a27c1ff9fa0e789e5c41f8c4ea63
upstream.
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
[only take the include/linux/uaccess.h portion - gregkh]
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
include/linux/uaccess.h
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diff --git
a/include/linux/uaccess.h
b/include/linux/uaccess.h
index
ecd3319
..
ee7e1b8
100644
(file)
--- a/
include/linux/uaccess.h
+++ b/
include/linux/uaccess.h
@@
-2,6
+2,9
@@
#define __LINUX_UACCESS_H__
#include <linux/preempt.h>
+
+#define uaccess_kernel() segment_eq(get_fs(), KERNEL_DS)
+
#include <asm/uaccess.h>
/*