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David S. Miller e871cae792 Merge branch 'sctp-clean-up-sctp_sendmsg' 
Xin Long says:

====================
sctp: clean up sctp_sendmsg

This cleanup mostly does three things:

 - extract some codes into functions to make sendmsg more readable.

 - tidy up some codes to avoid the unnecessary checks.

 - adjust some logic so that it will be easier to add the send flags
   and cmsgs features that I will post after this.

To make it easy to review and to check if the code is compatible with
before, this patchset is to do it step by step in 9 patches.

NOTE:
There will be a conflict when merging
Commit 2277c7cd75 ("sctp: Add LSM hooks") from selinux tree,
the solution is to:

1. remove all the lines in [B]:

    <<<<<<< HEAD
    [A]
    =======
    [B]
    >>>>>>> 2277c7c... sctp: Add LSM hooks

2. and apply the following diff-output:

diff --git a/net/sctp/socket.c b/net/sctp/socket.c
index 980621e..d6803c8 100644
--- a/net/sctp/socket.c
+++ b/net/sctp/socket.c
@@ -1686,6 +1686,7 @@ static int sctp_sendmsg_new_asoc(struct sock *sk, __u16 sflags,
 	struct net *net = sock_net(sk);
 	struct sctp_association *asoc;
 	enum sctp_scope scope;
+	struct sctp_af *af;
 	int err = -EINVAL;

 	*tp = NULL;
@@ -1711,6 +1712,22 @@ static int sctp_sendmsg_new_asoc(struct sock *sk, __u16 sflags,

 	scope = sctp_scope(daddr);

+	/* Label connection socket for first association 1-to-many
+	 * style for client sequence socket()->sendmsg(). This
+	 * needs to be done before sctp_assoc_add_peer() as that will
+	 * set up the initial packet that needs to account for any
+	 * security ip options (CIPSO/CALIPSO) added to the packet.
+	 */
+	af = sctp_get_af_specific(daddr->sa.sa_family);
+	if (!af)
+		return -EINVAL;
+
+	err = security_sctp_bind_connect(sk, SCTP_SENDMSG_CONNECT,
+					 (struct sockaddr *)daddr,
+					 af->sockaddr_len);
+	if (err < 0)
+		return err;
+
 	asoc = sctp_association_new(ep, sk, scope, GFP_KERNEL);
 	if (!asoc)
 		return -ENOMEM;
====================

Acked-by: Neil Horman <nhorman@tuxdriver.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2018-03-04 13:00:58 -05:00
arch Merge git://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf-next 2018-03-02 21:53:11 -05:00
block blk: optimization for classic polling 2018-02-13 09:12:04 -07:00
certs certs/blacklist_nohashes.c: fix const confusion in certs blacklist 2018-02-21 15:35:43 -08:00
crypto X.509: fix NULL dereference when restricting key with unsupported_sig 2018-02-22 14:38:34 +00:00
Documentation dt-bindings: add maximum power level to SFP binding 2018-02-28 11:07:11 -05:00
drivers net/usb/kalmia: use ARRAY_SIZE for various array sizing calculations 2018-03-02 10:01:04 -05:00
firmware kbuild: remove all dummy assignments to obj- 2017-11-18 11:46:06 +09:00
fs net: Convert simple pernet_operations 2018-02-27 11:01:35 -05:00
include Only a few new things: 2018-03-02 09:50:21 -05:00
init membarrier: Provide core serializing command, *_SYNC_CORE 2018-02-05 21:35:03 +01:00
ipc vfs: do bulk POLL* -> EPOLL* replacement 2018-02-11 14:34:03 -08:00
kernel Merge git://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf-next 2018-02-26 10:37:24 -05:00
lib Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net 2018-02-24 00:04:20 -05:00
LICENSES LICENSES: Add MPL-1.1 license 2018-01-06 10:59:44 -07:00
mm mm: don't defer struct page initialization for Xen pv guests 2018-02-21 15:35:43 -08:00
net sctp: adjust some codes in a better order in sctp_sendmsg 2018-03-04 13:00:57 -05:00
samples samples/bpf: detach prog from cgroup 2018-03-02 00:16:36 +01:00
scripts Kbuild updates for v4.16 (2nd) 2018-02-09 19:32:41 -08:00
security net: Convert smack_net_ops 2018-02-27 11:01:39 -05:00
sound ALSA: hda/realtek: PCI quirk for Fujitsu U7x7 2018-02-14 12:02:26 +01:00
tools Merge git://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf-next 2018-03-02 21:53:11 -05:00
usr initramfs: fix initramfs rebuilds w/ compression after disabling 2017-11-03 07:39:19 -07:00
virt vfs: do bulk POLL* -> EPOLL* replacement 2018-02-11 14:34:03 -08:00
.cocciconfig
.get_maintainer.ignore
.gitattributes .gitattributes: set git diff driver for C source code files 2016-10-07 18:46:30 -07:00
.gitignore .gitignore: ignore ASN.1 auto generated files 2018-02-14 21:05:38 +01:00
.mailmap mailmap: update Mark Yao's email address 2018-01-04 16:45:09 -08:00
COPYING
CREDITS MAINTAINERS: update TPM driver infrastructure changes 2017-11-09 17:58:40 -08:00
Kbuild Kbuild updates for v4.15 2017-11-17 17:45:29 -08:00
Kconfig License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
MAINTAINERS Merge branch 'ieee802154-for-davem-2018-02-26' of git://git.kernel.org/pub/scm/linux/kernel/git/sschmidt/wpan-next 2018-02-27 11:14:57 -05:00
Makefile Linux 4.16-rc2 2018-02-18 17:29:42 -08:00
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.