[Xenial][SRU][Pull] Xenial update: 4.4.219 upstream stable release

[Kleber Souza]

This pull request includes the following Xenial stable patchset:

    Xenial update: 4.4.219 upstream stable release
    BugLink: https://bugs.launchpad.net/bugs/1874045

Please note that the following patches have been skipped as they were already
applied to xenial/linux:
* slcan: Don't transmit uninitialized stack data in padding
* xen-netfront: Fix mismatched rtnl_unlock
* xen-netfront: Update features after registering netdev

The following patch needed some context adjustment:
* l2tp: fix duplicate session creation

All the other patches applied cleanly.


Kleber

----
The following changes since commit a2e779375a3afed7b6fbef11fc08e019d658d320:

  Linux 4.4.218 (2020-04-20 16:18:08 +0200)

are available in the Git repository at:

  git://git.launchpad.net/~kleber-souza/ubuntu/+source/linux/+git/xenial xenial-update-to-4.4.219

for you to fetch changes up to 6f7772921d7b66e5355fbd874f4c41c97cb1a0c5:

  Linux 4.4.219 (2020-04-21 14:07:48 +0200)

----------------------------------------------------------------
Avihai Horon (1):
      RDMA/cm: Update num_paths in cma_resolve_iboe_route error flow

Daniel Jordan (1):
      padata: always acquire cpu_hotplug_lock before pinst->lock

David Ahern (1):
      tools/accounting/getdelays.c: fix netlink attribute length

Gao Feng (1):
      l2tp: Refactor the codes with existing macros instead of literal number

Gerd Hoffmann (1):
      drm/bochs: downgrade pci_request_region failure from error to warning

Greg Kroah-Hartman (1):
      Linux 4.4.219

Guillaume Nault (5):
      l2tp: fix race in l2tp_recv_common()
      l2tp: ensure session can't get removed during pppol2tp_session_ioctl()
      l2tp: fix duplicate session creation
      l2tp: ensure sessions are freed after their PPPOL2TP socket
      l2tp: fix race between l2tp_session_delete() and l2tp_tunnel_closeall()

Gustavo A. R. Silva (1):
      power: supply: axp288_charger: Fix unchecked return value

Hans Verkuil (1):
      drm_dp_mst_topology: fix broken drm_dp_sideband_parse_remote_dpcd_read()

Jason A. Donenfeld (1):
      random: always use batched entropy for get_random_u{32,64}

Jisheng Zhang (1):
      net: stmmac: dwmac1000: fix out-of-bounds mac address reg setting

Kaike Wan (1):
      IB/hfi1: Call kobject_put() when kobject_init_and_add() fails

Krzysztof Opasiak (2):
      usb: gadget: uac2: Drop unused device qualifier descriptor
      usb: gadget: printer: Drop unused device qualifier descriptor

Marcelo Ricardo Leitner (1):
      sctp: fix possibly using a bad saddr with a given dst

Paul Cercueil (1):
      ASoC: jz4740-i2s: Fix divider written at incorrect offset in register

Qian Cai (1):
      ipv4: fix a RCU-list lock in fib_triestat_seq_show

Qiujun Huang (1):
      Bluetooth: RFCOMM: fix ODEBUG bug in rfcomm_dev_ioctl

Randy Dunlap (1):
      mm: mempolicy: require at least one nodeid for MPOL_PREFERRED

Shmulik Ladkani (1):
      net: l2tp: Make l2tp_ip6 namespace aware

Taniya Das (1):
      clk: qcom: rcg: Return failure for RCG update

William Dauchy (1):
      net, ip_tunnel: fix interface lookup with no key

phil.turnbull at oracle.com (1):
      l2tp: Correctly return -EBADF from pppol2tp_getname.

 Documentation/accounting/getdelays.c               |   2 +-
 Makefile                                           |   2 +-
 drivers/char/random.c                              |   6 -
 drivers/clk/qcom/clk-rcg2.c                        |   2 +-
 drivers/gpu/drm/bochs/bochs_hw.c                   |   6 +-
 drivers/gpu/drm/drm_dp_mst_topology.c              |   1 +
 drivers/infiniband/core/cma.c                      |   1 +
 .../net/ethernet/stmicro/stmmac/dwmac1000_core.c   |   2 +-
 drivers/power/axp288_charger.c                     |   4 +
 drivers/staging/rdma/hfi1/sysfs.c                  |  13 +-
 drivers/usb/gadget/function/f_printer.c            |   8 --
 drivers/usb/gadget/function/f_uac2.c               |  12 --
 kernel/padata.c                                    |   4 +-
 mm/mempolicy.c                                     |   6 +-
 net/bluetooth/rfcomm/tty.c                         |   4 +-
 net/ipv4/fib_trie.c                                |   3 +
 net/ipv4/ip_tunnel.c                               |   6 +-
 net/l2tp/l2tp_core.c                               | 149 ++++++++++++++++-----
 net/l2tp/l2tp_core.h                               |   4 +
 net/l2tp/l2tp_eth.c                                |  10 +-
 net/l2tp/l2tp_ip.c                                 |  17 ++-
 net/l2tp/l2tp_ip6.c                                |  28 ++--
 net/l2tp/l2tp_ppp.c                                | 110 +++++++--------
 net/sctp/ipv6.c                                    |  20 ++-
 net/sctp/protocol.c                                |  28 ++--
 sound/soc/jz4740/jz4740-i2s.c                      |   2 +-
 26 files changed, 277 insertions(+), 173 deletions(-)