diff options
Diffstat (limited to 'drivers/ide/ide-ioctls.c')
| -rw-r--r-- | drivers/ide/ide-ioctls.c | 17 |
1 files changed, 6 insertions, 11 deletions
diff --git a/drivers/ide/ide-ioctls.c b/drivers/ide/ide-ioctls.c index c1c25ebbaa1..e246d3d3fbc 100644 --- a/drivers/ide/ide-ioctls.c +++ b/drivers/ide/ide-ioctls.c @@ -64,7 +64,8 @@ static int ide_get_identity_ioctl(ide_drive_t *drive, unsigned int cmd, goto out; } - id = kmalloc(size, GFP_KERNEL); + /* ata_id_to_hd_driveid() relies on 'id' to be fully allocated. */ + id = kmalloc(ATA_ID_WORDS * 2, GFP_KERNEL); if (id == NULL) { rc = -ENOMEM; goto out; @@ -118,7 +119,6 @@ static int ide_cmd_ioctl(ide_drive_t *drive, unsigned long arg) u8 args[4], xfer_rate = 0; struct ide_cmd cmd; struct ide_taskfile *tf = &cmd.tf; - u16 *id = drive->id; if (NULL == (void *) arg) { struct request *rq; @@ -161,14 +161,10 @@ static int ide_cmd_ioctl(ide_drive_t *drive, unsigned long arg) if (tf->command == ATA_CMD_SET_FEATURES && tf->feature == SETFEATURES_XFER && - tf->nsect >= XFER_SW_DMA_0 && - (id[ATA_ID_UDMA_MODES] || - id[ATA_ID_MWDMA_MODES] || - id[ATA_ID_SWDMA_MODES])) { - xfer_rate = args[1]; - if (tf->nsect > XFER_UDMA_2 && !eighty_ninty_three(drive)) { - printk(KERN_WARNING "%s: UDMA speeds >UDMA33 cannot " - "be set\n", drive->name); + tf->nsect >= XFER_SW_DMA_0) { + xfer_rate = ide_find_dma_mode(drive, XFER_UDMA_6); + if (xfer_rate != tf->nsect) { + err = -EINVAL; goto abort; } } @@ -231,7 +227,6 @@ static int generic_drive_reset(ide_drive_t *drive) rq->cmd_type = REQ_TYPE_SPECIAL; rq->cmd_len = 1; rq->cmd[0] = REQ_DRIVE_RESET; - rq->cmd_flags |= REQ_SOFTBARRIER; if (blk_execute_rq(drive->queue, NULL, rq, 1)) ret = rq->errors; blk_put_request(rq); |