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Niklas Cassel 4ad3fa6644 ata: libata: fix NCQ autosense logic 
[ Upstream commit 7390896b34 ]

Currently, the logic if we should call ata_scsi_set_sense()
(and set flag ATA_QCFLAG_SENSE_VALID to indicate that we have
successfully added sense data to the struct ata_queued_cmd)
looks like this:

if (dev->class == ATA_DEV_ZAC &&
    ((qc->result_tf.status & ATA_SENSE) || qc->result_tf.auxiliary))

The problem with this is that a drive can support the NCQ command
error log without supporting NCQ autosense.

On such a drive, if the failing command has sense data, the status
field in the NCQ command error log will have the ATA_SENSE bit set.

It is just that this sense data is not included in the NCQ command
error log when NCQ autosense is not supported. Instead the sense
data has to be fetched using the REQUEST SENSE DATA EXT command.

Therefore, we should only add the sense data if the drive supports
NCQ autosense AND the ATA_SENSE bit is set in the status field.

Fix this, and at the same time, remove the duplicated ATA_DEV_ZAC
check. The struct ata_taskfile supplied to ata_eh_read_log_10h()
is memset:ed before calling the function, so simply checking if
qc->result_tf.auxiliary is set is sufficient to tell us that the
log actually contained sense data.

Fixes: d238ffd59d ("libata: do not attempt to retrieve sense code twice")
Signed-off-by: Niklas Cassel <niklas.cassel@wdc.com>
Signed-off-by: Damien Le Moal <damien.lemoal@opensource.wdc.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
2022-12-31 13:25:50 +01:00
arch MIPS: OCTEON: warn only once if deprecated link status is being used 2022-12-31 13:25:47 +01:00
block block: make blk_set_default_limits() private 2022-12-02 17:43:16 +01:00
certs certs: make system keyring depend on built-in x509 parser 2022-09-24 04:31:18 +09:00
crypto crypto: akcipher - default implementation for setting a private key 2022-10-21 12:38:59 +02:00
Documentation debugfs: fix error when writing negative value to atomic_t debugfs file 2022-12-31 13:25:45 +01:00
drivers ata: libata: fix NCQ autosense logic 2022-12-31 13:25:50 +01:00
fs hfs: Fix OOB Write in hfs_asc2mac 2022-12-31 13:25:47 +01:00
include wifi: fix multi-link element subelement iteration 2022-12-31 13:25:48 +01:00
init init/Kconfig: fix CC_HAS_ASM_GOTO_TIED_OUTPUT test with dash 2022-12-02 17:43:11 +01:00
io_uring io_uring: Fix a null-ptr-deref in io_tctx_exit_cb() 2022-12-14 11:40:53 +01:00
ipc ipc: fix memory leak in init_mqueue_fs() 2022-12-31 13:25:48 +01:00
kernel relay: fix type mismatch when allocating memory in relay_create_buf() 2022-12-31 13:25:47 +01:00
lib lib/notifier-error-inject: fix error when writing -errno to debugfs file 2022-12-31 13:25:45 +01:00
LICENSES LICENSES/LGPL-2.1: Add LGPL-2.1-or-later as valid identifiers 2021-12-16 14:33:10 +01:00
mm tmpfs: fix data loss from failed fallocate 2022-12-14 11:40:52 +01:00
net wifi: mac80211: fix ifdef symbol name 2022-12-31 13:25:48 +01:00
samples Tracing updates for 5.20 / 6.0 2022-08-05 09:41:12 -07:00
scripts scripts/faddr2line: Fix regression in name resolution on ppc64le 2022-12-08 11:30:14 +01:00
security KEYS: encrypted: fix key instantiation with user-provided data 2022-12-21 17:41:15 +01:00
sound ALSA: hda/realtek: fix mute/micmute LEDs for a HP ProBook 2022-12-21 17:41:14 +01:00
tools libbpf: Fix null-pointer dereference in find_prog_by_sec_insn() 2022-12-31 13:25:49 +01:00
usr Not a lot of material this cycle. Many singleton patches against various 2022-05-27 11:22:03 -07:00
virt KVM: Update gfn_to_pfn_cache khva when it moves within the same page 2022-12-02 17:43:13 +01:00
.clang-format inet: ping: use hlist_nulls rcu iterator during lookup 2022-12-14 11:40:58 +01:00
.cocciconfig
.get_maintainer.ignore get_maintainer: add Alan to .get_maintainer.ignore 2022-08-20 15:17:44 -07:00
.gitattributes .gitattributes: use 'dts' diff driver for dts files 2019-12-04 19:44:11 -08:00
.gitignore kbuild: split the second line of *.mod into *.usyms 2022-05-08 03:16:59 +09:00
.mailmap Qualcomm ARM64 DTS fixes for 6.0 2022-09-23 16:44:37 +02:00
COPYING COPYING: state that all contributions really are covered by this file 2020-02-10 13:32:20 -08:00
CREDITS drm for 5.20/6.0 2022-08-03 19:52:08 -07:00
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 One MAINTAINERS update, two MM fixes, both cc:stable 2022-10-01 09:13:29 -07:00
Makefile Linux 6.0.15 2022-12-21 17:41:16 +01:00
README

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.