diff options
Diffstat (limited to 'drivers/scsi')
| -rw-r--r-- | drivers/scsi/libata-core.c | 23 |
1 files changed, 19 insertions, 4 deletions
diff --git a/drivers/scsi/libata-core.c b/drivers/scsi/libata-core.c index 63857a90ac28..35ae5b41f662 100644 --- a/drivers/scsi/libata-core.c +++ b/drivers/scsi/libata-core.c @@ -3430,16 +3430,31 @@ skip_map: * LOCKING: * None. (grabs host lock) */ - void ata_poll_qc_complete(struct ata_queued_cmd *qc) { struct ata_port *ap = qc->ap; unsigned long flags; spin_lock_irqsave(&ap->host_set->lock, flags); - ap->flags &= ~ATA_FLAG_NOINTR; - ata_irq_on(ap); - ata_qc_complete(qc); + + if (ap->ops->error_handler) { + /* EH might have kicked in while host_set lock is released */ + qc = ata_qc_from_tag(ap, qc->tag); + if (qc) { + if (!(qc->err_mask & AC_ERR_HSM)) { + ap->flags &= ~ATA_FLAG_NOINTR; + ata_irq_on(ap); + ata_qc_complete(qc); + } else + ata_port_freeze(ap); + } + } else { + /* old EH */ + ap->flags &= ~ATA_FLAG_NOINTR; + ata_irq_on(ap); + ata_qc_complete(qc); + } + spin_unlock_irqrestore(&ap->host_set->lock, flags); } |