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ata: libata-scsi: schedule deferred atapi command

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Modify atapi_qc_complete() to call ata_scsi_schedule_deferred_qc() to
ensure that any deferred queued command can execute. This is similar to
ata_scsi_qc_complete() function for regular ATA devices.

Fixes: 0ea84089db ("ata: libata-scsi: avoid Non-NCQ command starvation")
Cc: stable@vger.kernel.org
Signed-off-by: Damien Le Moal <dlemoal@kernel.org>
This commit is contained in:
Damien Le Moal 2026-07-23 07:42:26 +09:00
parent 2e1d2e65e7
commit e7468b3f9b
1 changed files with 6 additions and 2 deletions
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8
drivers/ata/libata-scsi.c
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@ -2993,6 +2993,7 @@ static void atapi_fixup_inquiry(struct scsi_cmnd *cmd)
static void atapi_qc_complete(struct ata_queued_cmd *qc)
{
struct ata_link *link = qc->dev->link;
struct scsi_cmnd *cmd = qc->scsicmd;
unsigned int err_mask = qc->err_mask;
@ -3022,12 +3023,12 @@ static void atapi_qc_complete(struct ata_queued_cmd *qc)
ata_scsi_qc_done(qc, false, 0);
else
ata_scsi_qc_done(qc, true, SAM_STAT_CHECK_CONDITION);
return;
goto schedule_deferred;
}
if (cmd->result) {
ata_scsi_qc_done(qc, false, 0);
return;
goto schedule_deferred;
}
/* successful completion path */
@ -3035,6 +3036,9 @@ static void atapi_qc_complete(struct ata_queued_cmd *qc)
atapi_fixup_inquiry(cmd);
ata_scsi_qc_done(qc, true, SAM_STAT_GOOD);
schedule_deferred:
ata_scsi_schedule_deferred_qc(link);
}
/**
* atapi_xlat - Initialize PACKET taskfile