diff options
| -rw-r--r-- | drivers/scsi/libata-core.c | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/drivers/scsi/libata-core.c b/drivers/scsi/libata-core.c index 1669dae53ce..86cd0e0895d 100644 --- a/drivers/scsi/libata-core.c +++ b/drivers/scsi/libata-core.c @@ -4083,8 +4083,6 @@ void ata_qc_free(struct ata_queued_cmd *qc) qc->flags = 0; tag = qc->tag; if (likely(ata_tag_valid(tag))) { - if (tag == ap->active_tag) - ap->active_tag = ATA_TAG_POISON; qc->tag = ATA_TAG_POISON; clear_bit(tag, &ap->qactive); } @@ -4098,6 +4096,9 @@ void __ata_qc_complete(struct ata_queued_cmd *qc) if (likely(qc->flags & ATA_QCFLAG_DMAMAP)) ata_sg_clean(qc); + /* command should be marked inactive atomically with qc completion */ + qc->ap->active_tag = ATA_TAG_POISON; + /* atapi: mark qc as inactive to prevent the interrupt handler * from completing the command twice later, before the error handler * is called. (when rc != 0 and atapi request sense is needed) |