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libata-scsi: Generate sense code for disabled devices

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If a device is disabled after error recovery it doesn't make
any sense to generate an ATA sense, but we should rather
return a generic sense code indicating the device is gone.

Signed-off-by: Hannes Reinecke <hare@suse.com>
Signed-off-by: Tejun Heo <tj@kernel.org>
This commit is contained in:
Hannes Reinecke 2016-04-25 12:45:50 +02:00 committed by Tejun Heo
parent a570384964
commit 59f68474c2
1 changed files with 6 additions and 0 deletions
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6
drivers/ata/libata-scsi.c
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@ -1126,6 +1126,12 @@ static void ata_gen_ata_sense(struct ata_queued_cmd *qc)
cmd->result = (DRIVER_SENSE << 24) | SAM_STAT_CHECK_CONDITION;
if (ata_dev_disabled(dev)) {
/* Device disabled after error recovery */
/* LOGICAL UNIT NOT READY, HARD RESET REQUIRED */
ata_scsi_set_sense(dev, cmd, NOT_READY, 0x04, 0x21);
return;
}
/* Use ata_to_sense_error() to map status register bits
* onto sense key, asc & ascq.
*/