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Yongxin Liu fd1b5beb17 ice: check whether PTP is initialized in ice_ptp_release() 
PTP is currently only supported on E810 devices, it is checked
in ice_ptp_init(). However, there is no check in ice_ptp_release().
For other E800 series devices, ice_ptp_release() will be wrongly executed.

Fix the following calltrace.

  INFO: trying to register non-static key.
  The code is fine but needs lockdep annotation, or maybe
  you didn't initialize this object before use?
  turning off the locking correctness validator.
  Workqueue: ice ice_service_task [ice]
  Call Trace:
   dump_stack_lvl+0x5b/0x82
   dump_stack+0x10/0x12
   register_lock_class+0x495/0x4a0
   ? find_held_lock+0x3c/0xb0
   __lock_acquire+0x71/0x1830
   lock_acquire+0x1e6/0x330
   ? ice_ptp_release+0x3c/0x1e0 [ice]
   ? _raw_spin_lock+0x19/0x70
   ? ice_ptp_release+0x3c/0x1e0 [ice]
   _raw_spin_lock+0x38/0x70
   ? ice_ptp_release+0x3c/0x1e0 [ice]
   ice_ptp_release+0x3c/0x1e0 [ice]
   ice_prepare_for_reset+0xcb/0xe0 [ice]
   ice_do_reset+0x38/0x110 [ice]
   ice_service_task+0x138/0xf10 [ice]
   ? __this_cpu_preempt_check+0x13/0x20
   process_one_work+0x26a/0x650
   worker_thread+0x3f/0x3b0
   ? __kthread_parkme+0x51/0xb0
   ? process_one_work+0x650/0x650
   kthread+0x161/0x190
   ? set_kthread_struct+0x40/0x40
   ret_from_fork+0x1f/0x30

Fixes: 4dd0d5c33c ("ice: add lock around Tx timestamp tracker flush")
Signed-off-by: Yongxin Liu <yongxin.liu@windriver.com>
Reviewed-by: Jacob Keller <jacob.e.keller@intel.com>
Tested-by: Gurucharan G <gurucharanx.g@intel.com>
Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
History 2021-10-25 13:44:55 -07:00
arch powerpc fixes for 5.15 #5 2021-10-21 15:30:09 -10:00
block block-5.15-2021-10-17 2021-10-17 19:25:20 -10:00
certs certs: Add support for using elliptic curve keys for signing modules 2021-08-23 19:55:42 +03:00
crypto Merge branch 'linus' of git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6 2021-08-30 12:57:10 -07:00
Documentation Networking fixes for 5.15-rc7, including fixes from netfilter, and can. 2021-10-21 15:36:50 -10:00
drivers ice: check whether PTP is initialized in ice_ptp_release() 2021-10-25 13:44:55 -07:00
fs Two important filesystem fixes, marked for stable. The blocklisted 2021-10-20 10:23:05 -10:00
include Merge branch 'ucount-fixes-for-v5.15' of git://git.kernel.org/pub/scm/linux/kernel/git/ebiederm/user-namespace 2021-10-21 17:27:17 -10:00
init bootconfig: init: Fix memblock leak in xbc_make_cmdline() 2021-10-10 22:27:40 -04:00
ipc ipc: remove memcg accounting for sops objects in do_semtimedop() 2021-09-14 10:22:11 -07:00
kernel Merge branch 'ucount-fixes-for-v5.15' of git://git.kernel.org/pub/scm/linux/kernel/git/ebiederm/user-namespace 2021-10-21 17:27:17 -10:00
lib linux-kselftest-kunit-fixes-5.15-rc6 2021-10-11 17:25:08 -07:00
LICENSES LICENSES/dual/CC-BY-4.0: Git rid of "smart quotes" 2021-07-15 06:31:24 -06:00
mm memblock: exclude MEMBLOCK_NOMAP regions from kmemleak 2021-10-21 18:30:49 -10:00
net net-sysfs: initialize uid and gid before calling net_ns_get_ownership 2021-10-25 16:17:32 +01:00
samples samples/bpf: Relicense bpf_insn.h as GPL-2.0-only OR BSD-2-Clause 2021-09-29 16:03:55 +02:00
scripts Tracing fixes for 5.15: 2021-10-16 10:51:41 -07:00
security Merge branch 'ucount-fixes-for-v5.15' of git://git.kernel.org/pub/scm/linux/kernel/git/ebiederm/user-namespace 2021-10-21 17:27:17 -10:00
sound ALSA: usb-audio: Fix microphone sound on Jieli webcam. 2021-10-19 08:07:01 +02:00
tools fcnal-test: kill hanging ping/nettest binaries on cleanup 2021-10-22 14:03:18 -07:00
usr .gitignore: prefix local generated files with a slash 2021-05-02 00:43:35 +09:00
virt KVM: Remove tlbs_dirty 2021-09-23 11:01:12 -04:00
.clang-format clang-format: Update with the latest for_each macro list 2021-05-12 23:32:39 +02:00
.cocciconfig scripts: add Linux .cocciconfig for coccinelle 2016-07-22 12:13:39 +02:00
.get_maintainer.ignore Opt out of scripts/get_maintainer.pl 2019-05-16 10:53:40 -07:00
.gitattributes .gitattributes: use 'dts' diff driver for dts files 2019-12-04 19:44:11 -08:00
.gitignore .gitignore: ignore only top-level modules.builtin 2021-05-02 00:43:35 +09:00
.mailmap mailmap: add Andrej Shadura 2021-10-18 20:22:03 -10:00
COPYING COPYING: state that all contributions really are covered by this file 2020-02-10 13:32:20 -08:00
CREDITS MAINTAINERS: Move Daniel Drake to credits 2021-09-21 08:34:58 +03:00
Kbuild kbuild: rename hostprogs-y/always to hostprogs/always-y 2020-02-04 01:53:07 +09:00
Kconfig kbuild: ensure full rebuild when the compiler is updated 2020-05-12 13:28:33 +09:00
MAINTAINERS Char/Misc driver fixes for 5.15-rc6 2021-10-17 17:14:00 -10:00
Makefile Linux 5.15-rc6 2021-10-17 20:00:13 -10:00
README Drop all 00-INDEX files from Documentation/ 2018-09-09 15:08:58 -06:00

README 

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

There are several guides for kernel developers and users. These guides can
be rendered in a number of formats, like HTML and PDF. Please read
Documentation/admin-guide/README.rst first.

In order to build the documentation, use ``make htmldocs`` or
``make pdfdocs``.  The formatted documentation can also be read online at:

    https://www.kernel.org/doc/html/latest/

There are various text files in the Documentation/ subdirectory,
several of them using the Restructured Text markup notation.

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.