Based on the earlier work by Tejun Heo. There should be no functionality changes caused by this patch. Cc: Tejun Heo <htejun@xxxxxxxxx> Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@xxxxxxxxx> --- drivers/ide/ide-taskfile.c | 29 +++++++++++++++-------------- 1 file changed, 15 insertions(+), 14 deletions(-) Index: b/drivers/ide/ide-taskfile.c =================================================================== --- a/drivers/ide/ide-taskfile.c +++ b/drivers/ide/ide-taskfile.c @@ -805,28 +805,29 @@ abort: return err; } -static int ide_wait_cmd_task(ide_drive_t *drive, u8 *buf) -{ - struct request rq; - - ide_init_drive_cmd(&rq); - rq.cmd_type = REQ_TYPE_ATA_TASK; - rq.buffer = buf; - return ide_do_drive_cmd(drive, &rq, ide_wait); -} - int ide_task_ioctl (ide_drive_t *drive, unsigned int cmd, unsigned long arg) { void __user *p = (void __user *)arg; int err = 0; - u8 args[7], *argbuf = args; - int argsize = 7; + u8 args[7]; + ide_task_t task; if (copy_from_user(args, p, 7)) return -EFAULT; - err = ide_wait_cmd_task(drive, argbuf); - if (copy_to_user(p, argbuf, argsize)) + + memset(&task, 0, sizeof(task)); + memcpy(&task.tf_array[7], &args[1], 6); + task.tf.command = args[0]; + task.tf_flags = IDE_TFLAG_OUT_TF | IDE_TFLAG_OUT_DEVICE; + + err = ide_no_data_taskfile(drive, &task); + + args[0] = task.tf.command; + memcpy(&args[1], &task.tf_array[7], 6); + + if (copy_to_user(p, args, 7)) err = -EFAULT; + return err; } - To unsubscribe from this list: send the line "unsubscribe linux-ide" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html