- tf->error = err;
- tf->status = stat;
-
- drive->hwif->tp_ops->tf_read(drive, task);
-
- if (task->tf_flags & IDE_TFLAG_DYN)
- kfree(task);
- }
- } else if (blk_pm_request(rq)) {
- struct request_pm_state *pm = rq->data;
-
- ide_complete_power_step(drive, rq);
- if (pm->pm_step == IDE_PM_COMPLETED)
- ide_complete_pm_request(drive, rq);
- return;
- }
-
- hwgroup->rq = NULL;
-
- rq->errors = err;
-
- if (unlikely(blk_end_request(rq, (rq->errors ? -EIO : 0),
- blk_rq_bytes(rq))))
- BUG();
-}
-EXPORT_SYMBOL(ide_end_drive_cmd);
-
-static void ide_kill_rq(ide_drive_t *drive, struct request *rq)
-{
- if (rq->rq_disk) {
- ide_driver_t *drv;
-
- drv = *(ide_driver_t **)rq->rq_disk->private_data;
- drv->end_request(drive, 0, 0);
- } else
- ide_end_request(drive, 0, 0);
-}
-
-static ide_startstop_t ide_ata_error(ide_drive_t *drive, struct request *rq, u8 stat, u8 err)
-{
- ide_hwif_t *hwif = drive->hwif;
-
- if ((stat & ATA_BUSY) ||
- ((stat & ATA_DF) && (drive->dev_flags & IDE_DFLAG_NOWERR) == 0)) {
- /* other bits are useless when BUSY */
- rq->errors |= ERROR_RESET;
- } else if (stat & ATA_ERR) {
- /* err has different meaning on cdrom and tape */
- if (err == ATA_ABORTED) {
- if ((drive->dev_flags & IDE_DFLAG_LBA) &&
- /* some newer drives don't support ATA_CMD_INIT_DEV_PARAMS */
- hwif->tp_ops->read_status(hwif) == ATA_CMD_INIT_DEV_PARAMS)
- return ide_stopped;
- } else if ((err & BAD_CRC) == BAD_CRC) {
- /* UDMA crc error, just retry the operation */
- drive->crc_count++;
- } else if (err & (ATA_BBK | ATA_UNC)) {
- /* retries won't help these */
- rq->errors = ERROR_MAX;
- } else if (err & ATA_TRK0NF) {
- /* help it find track zero */
- rq->errors |= ERROR_RECAL;
- }