[PATCH v3 0/9] libata cleanups and improvements

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The first two patches of this series fix potential NULL pointer
dereference problems.

The following three patches cleanup libata-core code in the area of
device configuration (ata_dev_configure() function).

Patch 6 improves ata_read_log_page() to avoid unnecessary warning
messages and patch 7 adds an informational message on device scan to
advertize the features supported by a device.

Path 8 adds the new sysfs ahci device attribute ncq_prio_supported to
indicate that a disk supports NCQ priority. Patch 9 does the same for
the mpt3sas driver, adding the sas_ncq_prio_supported device attribute.

Changes from v2:
* Reworked patch 4 to avoid the need for an additional on-stack string
  for device information messages
* Added reviewed-by tags

Changes from v1:
* Added patch 1 and 2 to fix problems reported by the kernel test robot
* Use strscpy() instead of strcpy in patch 4
* Use sysfs_emit in patch 8 and 9 as suggested by Bart
* Fix typos in comments of the new sas_ncq_prio_supported attribute in
  patch 9

Damien Le Moal (9):
  libata: fix ata_host_alloc_pinfo()
  libata: fix ata_host_start()
  libata: cleanup device sleep capability detection
  libata: cleanup ata_dev_configure()
  libata: cleanup NCQ priority handling
  libata: fix ata_read_log_page() warning
  libata: print feature list on device scan
  libahci: Introduce ncq_prio_supported sysfs sttribute
  scsi: mpt3sas: Introduce sas_ncq_prio_supported sysfs sttribute

 drivers/ata/libahci.c              |   1 +
 drivers/ata/libata-core.c          | 274 ++++++++++++++++-------------
 drivers/ata/libata-sata.c          |  61 ++++---
 drivers/scsi/mpt3sas/mpt3sas_ctl.c |  19 ++
 include/linux/libata.h             |   5 +
 5 files changed, 208 insertions(+), 152 deletions(-)

-- 
2.31.1




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