diff options
Diffstat (limited to 'drivers/ata/libata-scsi.c')
| -rw-r--r-- | drivers/ata/libata-scsi.c | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/drivers/ata/libata-scsi.c b/drivers/ata/libata-scsi.c index 7d41afe8ccb..563ef0bfb03 100644 --- a/drivers/ata/libata-scsi.c +++ b/drivers/ata/libata-scsi.c @@ -2678,6 +2678,18 @@ static unsigned int ata_scsi_pass_thru(struct ata_queued_cmd *qc) tf->device = qc->dev->devno ? tf->device | ATA_DEV1 : tf->device & ~ATA_DEV1; + /* READ/WRITE LONG use a non-standard sect_size */ + qc->sect_size = ATA_SECT_SIZE; + switch (tf->command) { + case ATA_CMD_READ_LONG: + case ATA_CMD_READ_LONG_ONCE: + case ATA_CMD_WRITE_LONG: + case ATA_CMD_WRITE_LONG_ONCE: + if (tf->protocol != ATA_PROT_PIO || tf->nsect != 1) + goto invalid_fld; + qc->sect_size = scmd->request_bufflen; + } + /* * Filter SET_FEATURES - XFER MODE command -- otherwise, * SET_FEATURES - XFER MODE must be preceded/succeeded |