Damien Le Moal 06f6c4c6c3 ata: libata: add missing ata_identify_page_supported() calls
ata_dev_config_ncq_prio() and ata_dev_config_devslp() both access pages
of the IDENTIFY DEVICE data log. Before calling ata_read_log_page(),
make sure to check for the existence of the IDENTIFY DEVICE data log and
of the log page accessed using ata_identify_page_supported(). This
avoids useless error messages from ata_read_log_page() and failures with
some LLDD scsi drivers using libsas.

Reported-by: Nikolay <knv418@gmail.com>
Cc: stable@kernel.org # 5.15
Signed-off-by: Damien Le Moal <damien.lemoal@opensource.wdc.com>
Tested-by: Matthew Perkowski <mgperkow@gmail.com>
2021-11-18 14:34:19 +09:00
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