Received-SPF: pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) client-ip=209.132.180.67;
From:   Greg Kroah-Hartman <gregkh@linuxfoundation.org>
To:     linux-kernel@vger.kernel.org
Cc:     Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
        stable@vger.kernel.org, Al Viro <viro@zeniv.linux.org.uk>
Subject: [PATCH 3.18 23/24] new helper: uaccess_kernel()
Date:   Mon, 26 Nov 2018 11:51:17 +0100
Message-Id: <20181126105032.821148742@linuxfoundation.org>
In-Reply-To: <20181126105029.790599475@linuxfoundation.org>
References: <20181126105029.790599475@linuxfoundation.org>
User-Agent: quilt/0.65
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit
Sender: linux-kernel-owner@vger.kernel.org
Precedence: bulk

3.18-stable review patch.  If anyone has any objections, please let me know.

------------------

From: Al Viro <viro@zeniv.linux.org.uk>

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 |    3 +++
 1 file changed, 3 insertions(+)

--- 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>
 
 /*