From 59f68474c2a1f5f0cedede60b60de97c603dc194 Mon Sep 17 00:00:00 2001 From: Hannes Reinecke Date: Mon, 25 Apr 2016 12:45:50 +0200 Subject: [PATCH] libata-scsi: Generate sense code for disabled devices 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 Signed-off-by: Tejun Heo --- drivers/ata/libata-scsi.c | 6 ++++++ 1 file changed, 6 insertions(+) diff --git a/drivers/ata/libata-scsi.c b/drivers/ata/libata-scsi.c index 8b61d63ab0be..6d78b4b422a4 100644 --- a/drivers/ata/libata-scsi.c +++ b/drivers/ata/libata-scsi.c @@ -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. */ -- 2.20.1