libata: fix bug with non-ncq devices

[linux-2.6-omap-h63xx.git] / drivers / ata / libata-scsi.c

diff --git a/drivers/ata/libata-scsi.c b/drivers/ata/libata-scsi.c
index d5b9b7266c8bc9c6549acc679ec7be1b827f6f22..4b95c4387e9e2197947af00745b8c81c509d1c7d 100644 (file)
--- a/drivers/ata/libata-scsi.c
+++ b/drivers/ata/libata-scsi.c
@@ -708,7 +708,11 @@ static struct ata_queued_cmd *ata_scsi_qc_new(struct ata_device *dev,
 {
        struct ata_queued_cmd *qc;
 
-       qc = ata_qc_new_init(dev, cmd->request->tag);
+       if (cmd->request->tag != -1)
+               qc = ata_qc_new_init(dev, cmd->request->tag);
+       else
+               qc = ata_qc_new_init(dev, 0);
+
        if (qc) {
                qc->scsicmd = cmd;
                qc->scsidone = done;