linux-kernel - [PATCH 4.18 55/88] Revert "uapi/linux/keyctl.h: dont use C++ reserved keyword as a struct member name"

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Date:   Thu, 27 Sep 2018 11:03:36 +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, Lubomir Rintel <lkundrak@...sk>,
        David Howells <dhowells@...hat.com>,
        Randy Dunlap <rdunlap@...radead.org>,
        Mat Martineau <mathew.j.martineau@...ux.intel.com>,
        Stephan Mueller <smueller@...onox.de>,
        James Morris <jmorris@...ei.org>,
        "Serge E. Hallyn" <serge@...lyn.com>,
        Andrew Morton <akpm@...ux-foundation.org>,
        Linus Torvalds <torvalds@...ux-foundation.org>,
        James Morris <james.morris@...rosoft.com>
Subject: [PATCH 4.18 55/88] Revert "uapi/linux/keyctl.h: dont use C++ reserved keyword as a struct member name"

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

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

From: Lubomir Rintel <lkundrak@...sk>

commit 8c0f9f5b309d627182d5da72a69246f58bde1026 upstream.

This changes UAPI, breaking iwd and libell:

  ell/key.c: In function 'kernel_dh_compute':
  ell/key.c:205:38: error: 'struct keyctl_dh_params' has no member named 'private'; did you mean 'dh_private'?
    struct keyctl_dh_params params = { .private = private,
                                        ^~~~~~~
                                        dh_private

This reverts commit 8a2336e549d385bb0b46880435b411df8d8200e8.

Fixes: 8a2336e549d3 ("uapi/linux/keyctl.h: don't use C++ reserved keyword as a struct member name")
Signed-off-by: Lubomir Rintel <lkundrak@...sk>
Signed-off-by: David Howells <dhowells@...hat.com>
cc: Randy Dunlap <rdunlap@...radead.org>
cc: Mat Martineau <mathew.j.martineau@...ux.intel.com>
cc: Stephan Mueller <smueller@...onox.de>
cc: James Morris <jmorris@...ei.org>
cc: "Serge E. Hallyn" <serge@...lyn.com>
cc: Mat Martineau <mathew.j.martineau@...ux.intel.com>
cc: Andrew Morton <akpm@...ux-foundation.org>
cc: Linus Torvalds <torvalds@...ux-foundation.org>
cc: <stable@...r.kernel.org>
Signed-off-by: James Morris <james.morris@...rosoft.com>
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 dh_private;
+	__s32 private;
 	__s32 prime;
 	__s32 base;
 };
--- a/security/keys/dh.c
+++ b/security/keys/dh.c
@@ -300,7 +300,7 @@ long __keyctl_dh_compute(struct keyctl_d
 	}
 	dh_inputs.g_size = dlen;

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