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path: root/drivers/scsi/libata-scsi.c
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Diffstat (limited to 'drivers/scsi/libata-scsi.c')
-rw-r--r--drivers/scsi/libata-scsi.c7
1 files changed, 4 insertions, 3 deletions
diff --git a/drivers/scsi/libata-scsi.c b/drivers/scsi/libata-scsi.c
index 3aaa74cbef1..cebf9b31b51 100644
--- a/drivers/scsi/libata-scsi.c
+++ b/drivers/scsi/libata-scsi.c
@@ -2379,9 +2379,6 @@ ata_scsi_map_proto(u8 byte1)
case 4: /* PIO Data-in */
case 5: /* PIO Data-out */
- if (byte1 & 0xe0) {
- return ATA_PROT_PIO_MULT;
- }
return ATA_PROT_PIO;
case 10: /* Device Reset */
@@ -2420,6 +2417,10 @@ ata_scsi_pass_thru(struct ata_queued_cmd *qc, const u8 *scsicmd)
if ((tf->protocol = ata_scsi_map_proto(scsicmd[1])) == ATA_PROT_UNKNOWN)
goto invalid_fld;
+ if (scsicmd[1] & 0xe0)
+ /* PIO multi not supported yet */
+ goto invalid_fld;
+
/*
* 12 and 16 byte CDBs use different offsets to
* provide the various register values.