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-rw-r--r--drivers/ide/ide-cd.c185
1 files changed, 88 insertions, 97 deletions
diff --git a/drivers/ide/ide-cd.c b/drivers/ide/ide-cd.c
index ffbaa6d578ff..3ce1eafef5e4 100644
--- a/drivers/ide/ide-cd.c
+++ b/drivers/ide/ide-cd.c
@@ -311,7 +311,7 @@ static int cdrom_decode_status(ide_drive_t *drive, u8 stat)
311{ 311{
312 ide_hwif_t *hwif = drive->hwif; 312 ide_hwif_t *hwif = drive->hwif;
313 struct request *rq = hwif->rq; 313 struct request *rq = hwif->rq;
314 int err, sense_key; 314 int err, sense_key, do_end_request = 0;
315 u8 quiet = rq->cmd_flags & REQ_QUIET; 315 u8 quiet = rq->cmd_flags & REQ_QUIET;
316 316
317 /* get the IDE error register */ 317 /* get the IDE error register */
@@ -330,117 +330,108 @@ static int cdrom_decode_status(ide_drive_t *drive, u8 stat)
330 */ 330 */
331 rq->cmd_flags |= REQ_FAILED; 331 rq->cmd_flags |= REQ_FAILED;
332 return 2; 332 return 2;
333 } else { 333 }
334 int do_end_request = 0;
335
336 /*
337 * if we have an error, pass back CHECK_CONDITION as the
338 * scsi status byte
339 */
340 if (blk_pc_request(rq) && !rq->errors)
341 rq->errors = SAM_STAT_CHECK_CONDITION;
342 334
343 if (blk_noretry_request(rq)) 335 /* if we have an error, pass CHECK_CONDITION as the SCSI status byte */
344 do_end_request = 1; 336 if (blk_pc_request(rq) && !rq->errors)
337 rq->errors = SAM_STAT_CHECK_CONDITION;
345 338
346 switch (sense_key) { 339 if (blk_noretry_request(rq))
347 case NOT_READY: 340 do_end_request = 1;
348 if (blk_fs_request(rq) == 0 ||
349 rq_data_dir(rq) == READ) {
350 cdrom_saw_media_change(drive);
351 341
352 if (blk_fs_request(rq) && !quiet) 342 switch (sense_key) {
353 printk(KERN_ERR PFX "%s: tray open\n", 343 case NOT_READY:
354 drive->name); 344 if (blk_fs_request(rq) == 0 || rq_data_dir(rq) == READ) {
355 } else {
356 if (ide_cd_breathe(drive, rq))
357 return 1;
358 }
359 do_end_request = 1;
360 break;
361 case UNIT_ATTENTION:
362 cdrom_saw_media_change(drive); 345 cdrom_saw_media_change(drive);
363 346
364 if (blk_fs_request(rq) == 0) 347 if (blk_fs_request(rq) && !quiet)
365 return 0; 348 printk(KERN_ERR PFX "%s: tray open\n",
366 /* 349 drive->name);
367 * Arrange to retry the request but be sure to give up 350 } else {
368 * if we've retried too many times. 351 if (ide_cd_breathe(drive, rq))
369 */
370 if (++rq->errors > ERROR_MAX)
371 do_end_request = 1;
372 break;
373 case ILLEGAL_REQUEST:
374 /*
375 * Don't print error message for this condition--
376 * SFF8090i indicates that 5/24/00 is the correct
377 * response to a request to close the tray if the
378 * drive doesn't have that capability.
379 * cdrom_log_sense() knows this!
380 */
381 if (rq->cmd[0] == GPCMD_START_STOP_UNIT)
382 break;
383 /* fall-through */
384 case DATA_PROTECT:
385 /*
386 * No point in retrying after an illegal request or data
387 * protect error.
388 */
389 if (!quiet)
390 ide_dump_status(drive, "command error", stat);
391 do_end_request = 1;
392 break;
393 case MEDIUM_ERROR:
394 /*
395 * No point in re-trying a zillion times on a bad
396 * sector. If we got here the error is not correctable.
397 */
398 if (!quiet)
399 ide_dump_status(drive, "media error "
400 "(bad sector)", stat);
401 do_end_request = 1;
402 break;
403 case BLANK_CHECK:
404 /* disk appears blank ?? */
405 if (!quiet)
406 ide_dump_status(drive, "media error (blank)",
407 stat);
408 do_end_request = 1;
409 break;
410 default:
411 if (blk_fs_request(rq) == 0)
412 break;
413 if (err & ~ATA_ABORTED) {
414 /* go to the default handler for other errors */
415 ide_error(drive, "cdrom_decode_status", stat);
416 return 1; 352 return 1;
417 } else if (++rq->errors > ERROR_MAX)
418 /* we've racked up too many retries, abort */
419 do_end_request = 1;
420 } 353 }
354 do_end_request = 1;
355 break;
356 case UNIT_ATTENTION:
357 cdrom_saw_media_change(drive);
421 358
422 if (blk_fs_request(rq) == 0) { 359 if (blk_fs_request(rq) == 0)
423 rq->cmd_flags |= REQ_FAILED; 360 return 0;
424 do_end_request = 1;
425 }
426 361
427 /* 362 /*
428 * End a request through request sense analysis when we have 363 * Arrange to retry the request but be sure to give up if we've
429 * sense data. We need this in order to perform end of media 364 * retried too many times.
430 * processing.
431 */ 365 */
432 if (do_end_request) 366 if (++rq->errors > ERROR_MAX)
433 goto end_request; 367 do_end_request = 1;
434 368 break;
369 case ILLEGAL_REQUEST:
370 /*
371 * Don't print error message for this condition -- SFF8090i
372 * indicates that 5/24/00 is the correct response to a request
373 * to close the tray if the drive doesn't have that capability.
374 *
375 * cdrom_log_sense() knows this!
376 */
377 if (rq->cmd[0] == GPCMD_START_STOP_UNIT)
378 break;
379 /* fall-through */
380 case DATA_PROTECT:
435 /* 381 /*
436 * If we got a CHECK_CONDITION status, queue 382 * No point in retrying after an illegal request or data
437 * a request sense command. 383 * protect error.
438 */ 384 */
439 if (stat & ATA_ERR) 385 if (!quiet)
440 cdrom_queue_request_sense(drive, NULL, NULL); 386 ide_dump_status(drive, "command error", stat);
441 return 1; 387 do_end_request = 1;
388 break;
389 case MEDIUM_ERROR:
390 /*
391 * No point in re-trying a zillion times on a bad sector.
392 * If we got here the error is not correctable.
393 */
394 if (!quiet)
395 ide_dump_status(drive, "media error "
396 "(bad sector)", stat);
397 do_end_request = 1;
398 break;
399 case BLANK_CHECK:
400 /* disk appears blank? */
401 if (!quiet)
402 ide_dump_status(drive, "media error (blank)",
403 stat);
404 do_end_request = 1;
405 break;
406 default:
407 if (blk_fs_request(rq) == 0)
408 break;
409 if (err & ~ATA_ABORTED) {
410 /* go to the default handler for other errors */
411 ide_error(drive, "cdrom_decode_status", stat);
412 return 1;
413 } else if (++rq->errors > ERROR_MAX)
414 /* we've racked up too many retries, abort */
415 do_end_request = 1;
442 } 416 }
443 417
418 if (blk_fs_request(rq) == 0) {
419 rq->cmd_flags |= REQ_FAILED;
420 do_end_request = 1;
421 }
422
423 /*
424 * End a request through request sense analysis when we have sense data.
425 * We need this in order to perform end of media processing.
426 */
427 if (do_end_request)
428 goto end_request;
429
430 /* if we got a CHECK_CONDITION status, queue a request sense command */
431 if (stat & ATA_ERR)
432 cdrom_queue_request_sense(drive, NULL, NULL);
433 return 1;
434
444end_request: 435end_request:
445 if (stat & ATA_ERR) { 436 if (stat & ATA_ERR) {
446 struct request_queue *q = drive->queue; 437 struct request_queue *q = drive->queue;