linux-kernel - [PATCH 4.14 095/115] uapi/linux/keyctl.h: dont use C++ reserved keyword as a struct member name

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Date:   Thu, 13 Sep 2018 15:31:55 +0200
From:   Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:     linux-kernel@...r.kernel.org
Cc:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        stable@...r.kernel.org, Randy Dunlap <rdunlap@...radead.org>,
        Andrew Morton <akpm@...ux-foundation.org>,
        David Howells <dhowells@...hat.com>,
        James Morris <jmorris@...ei.org>,
        "Serge E. Hallyn" <serge@...lyn.com>,
        Mat Martineau <mathew.j.martineau@...ux.intel.com>,
        Linus Torvalds <torvalds@...ux-foundation.org>
Subject: [PATCH 4.14 095/115] uapi/linux/keyctl.h: dont use C++ reserved keyword as a struct member name

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

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

From: Randy Dunlap <rdunlap@...radead.org>

commit 8a2336e549d385bb0b46880435b411df8d8200e8 upstream.

Since this header is in "include/uapi/linux/", apparently people want to
use it in userspace programs -- even in C++ ones.  However, the header
uses a C++ reserved keyword ("private"), so change that to "dh_private"
instead to allow the header file to be used in C++ userspace.

Fixes https://bugzilla.kernel.org/show_bug.cgi?id=191051
Link: http://lkml.kernel.org/r/0db6c314-1ef4-9bfa-1baa-7214dd2ee061@infradead.org
Fixes: ddbb41148724 ("KEYS: Add KEYCTL_DH_COMPUTE command")
Signed-off-by: Randy Dunlap <rdunlap@...radead.org>
Reviewed-by: Andrew Morton <akpm@...ux-foundation.org>
Cc: David Howells <dhowells@...hat.com>
Cc: James Morris <jmorris@...ei.org>
Cc: "Serge E. Hallyn" <serge@...lyn.com>
Cc: Mat Martineau <mathew.j.martineau@...ux.intel.com>
Cc: <stable@...r.kernel.org>
Signed-off-by: Andrew Morton <akpm@...ux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@...ux-foundation.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@...uxfoundation.org>

---
 include/uapi/linux/keyctl.h |    2 +-
 security/keys/dh.c          |    2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

--- a/include/uapi/linux/keyctl.h
+++ b/include/uapi/linux/keyctl.h
@@ -65,7 +65,7 @@

 /* keyctl structures */
 struct keyctl_dh_params {
-	__s32 private;
+	__s32 dh_private;
 	__s32 prime;
 	__s32 base;
 };
--- a/security/keys/dh.c
+++ b/security/keys/dh.c
@@ -307,7 +307,7 @@ long __keyctl_dh_compute(struct keyctl_d
 	}
 	dh_inputs.g_size = dlen;

-	dlen = dh_data_from_key(pcopy.private, &dh_inputs.key);
+	dlen = dh_data_from_key(pcopy.dh_private, &dh_inputs.key);
 	if (dlen < 0) {
 		ret = dlen;
 		goto out2;