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David Howells bfebac06dd keys: Fix the use of the C++ keyword "private" in uapi/linux/keyctl.h 
commit 2ecefa0a15 upstream.

The keyctl_dh_params struct in uapi/linux/keyctl.h contains the symbol
"private" which means that the header file will cause compilation failure
if #included in to a C++ program.  Further, the patch that added the same
struct to the keyutils package named the symbol "priv", not "private".

The previous attempt to fix this (commit 8a2336e549) did so by simply
renaming the kernel's copy of the field to dh_private, but this then breaks
existing userspace and as such has been reverted (commit 8c0f9f5b30).

[And note, to those who think that wrapping the struct in extern "C" {}
 will work: it won't; that only changes how symbol names are presented to
 the assembler and linker.].

Instead, insert an anonymous union around the "private" member and add a
second member in there with the name "priv" to match the one in the
keyutils package.  The "private" member is then wrapped in !__cplusplus
cpp-conditionals to hide it from C++.

Fixes: ddbb411487 ("KEYS: Add KEYCTL_DH_COMPUTE command")
Fixes: 8a2336e549 ("uapi/linux/keyctl.h: don't use C++ reserved keyword as a struct member name")
Signed-off-by: David Howells <dhowells@redhat.com>
cc: Randy Dunlap <rdunlap@infradead.org>
cc: Lubomir Rintel <lkundrak@v3.sk>
cc: James Morris <jmorris@namei.org>
cc: Mat Martineau <mathew.j.martineau@linux.intel.com>
cc: Stephan Mueller <smueller@chronox.de>
cc: Andrew Morton <akpm@linux-foundation.org>
cc: Linus Torvalds <torvalds@linux-foundation.org>
cc: stable@vger.kernel.org
Signed-off-by: James Morris <james.morris@microsoft.com>
Cc: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2020-05-02 17:24:11 +02:00
arch x86: ACPI: fix CPU hotplug deadlock 2020-04-24 08:01:20 +02:00
block block, bfq: fix use-after-free in bfq_idle_slice_timer_body 2020-04-24 08:00:30 +02:00
certs Replace magic for trusting the secondary keyring with #define 2018-09-09 19:55:54 +02:00
crypto crypto: api - Fix race condition in crypto_spawn_alg 2020-02-14 16:32:14 -05:00
Documentation ALSA: doc: Document PC Beep Hidden Register on Realtek ALC256 2020-04-24 08:00:35 +02:00
drivers mtd: phram: fix a double free issue in error path 2020-04-24 08:01:24 +02:00
firmware Fix built-in early-load Intel microcode alignment 2020-01-23 08:20:30 +01:00
fs ext4: fix extent_status fragmentation for plain files 2020-05-02 17:24:11 +02:00
include keys: Fix the use of the C++ keyword "private" in uapi/linux/keyctl.h 2020-05-02 17:24:11 +02:00
init fork: fix some -Wmissing-prototypes warnings 2019-12-05 15:37:52 +01:00
ipc Revert "ipc,sem: remove uneeded sem_undo_list lock usage in exit_sem()" 2020-02-28 16:36:12 +01:00
kernel locktorture: Print ratio of acquisitions, not failures 2020-04-24 08:01:23 +02:00
lib lib/raid6: use vdupq_n_u8 to avoid endianness warnings 2020-04-24 08:01:01 +02:00
mm mm/vmalloc.c: move 'area->pages' after if statement 2020-04-24 08:01:00 +02:00
net net: ipv4: avoid unused variable warning for sysctl 2020-05-02 17:24:11 +02:00
samples samples/bpf: Don't try to remove user's homedir on clean 2020-02-14 16:32:13 -05:00
scripts scripts/dtc: Remove redundant YYLOC global declaration 2020-04-02 16:34:30 +02:00
security KEYS: Don't write out to userspace while holding key semaphore 2020-04-24 08:01:25 +02:00
sound ALSA: hda: Don't release card at firmware loading error 2020-04-24 08:01:01 +02:00
tools objtool: Fix switch table detection in .text.unlikely 2020-04-24 08:01:00 +02:00
usr initramfs: restore default compression behavior 2020-04-13 10:34:19 +02:00
virt KVM: Check for a bad hva before dropping into the ghc slow path 2020-03-11 18:02:53 +01:00
.cocciconfig
.get_maintainer.ignore
.gitattributes .gitattributes: set git diff driver for C source code files 2016-10-07 18:46:30 -07:00
.gitignore kbuild: rpm-pkg: keep spec file until make mrproper 2018-02-13 10:19:46 +01:00
.mailmap .mailmap: Add Maciej W. Rozycki's Imagination e-mail address 2017-11-10 12:16:15 -08:00
COPYING
CREDITS MAINTAINERS: update TPM driver infrastructure changes 2017-11-09 17:58:40 -08:00
Kbuild License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
Kconfig License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
MAINTAINERS MAINTAINERS: Update drm/i915 bug filing URL 2020-02-28 16:36:12 +01:00
Makefile Linux 4.14.177 2020-04-24 08:01:25 +02:00
README README: add a new README file, pointing to the Documentation/ 2016-10-24 08:12:35 -02:00

README 

Linux kernel
============

This file was moved to Documentation/admin-guide/README.rst

Please notice that there are several guides for kernel developers and users.
These guides can be rendered in a number of formats, like HTML and PDF.

In order to build the documentation, use ``make htmldocs`` or
``make pdfdocs``.

There are various text files in the Documentation/ subdirectory,
several of them using the Restructured Text markup notation.
See Documentation/00-INDEX for a list of what is contained in each file.

Please read the Documentation/process/changes.rst file, as it contains the
requirements for building and running the kernel, and information about
the problems which may result by upgrading your kernel.