diff options
Diffstat (limited to 'drivers/ide/ide-io.c')
| -rw-r--r-- | drivers/ide/ide-io.c | 9 |
1 files changed, 6 insertions, 3 deletions
diff --git a/drivers/ide/ide-io.c b/drivers/ide/ide-io.c index cc35d6dbd410..81f99bde34da 100644 --- a/drivers/ide/ide-io.c +++ b/drivers/ide/ide-io.c @@ -577,11 +577,14 @@ void ide_map_sg(ide_drive_t *drive, struct request *rq) if (hwif->sg_mapped) /* needed by ide-scsi */ return; - if (rq->cmd_type != REQ_TYPE_ATA_TASKFILE) { - hwif->sg_nents = blk_rq_map_sg(drive->queue, rq, sg); - } else { + if (rq->cmd_type == REQ_TYPE_ATA_TASKFILE) { sg_init_one(sg, rq->buffer, rq->nr_sectors * SECTOR_SIZE); hwif->sg_nents = 1; + } else if (!rq->bio) { + sg_init_one(sg, rq->data, rq->data_len); + hwif->sg_nents = 1; + } else { + hwif->sg_nents = blk_rq_map_sg(drive->queue, rq, sg); } } |