Hi Johannes, url: https://github.com/0day-ci/linux/commits/Johannes-Thumshirn/btrfs-zoned-f... base: https://git.kernel.org/pub/scm/linux/kernel/git/kdave/linux.git for-next config: i386-randconfig-m021-20211207 (https://download.01.org/0day-ci/archive/20211209/202112090657.BflsS2SD-lk...) compiler: gcc-9 (Debian 9.3.0-22) 9.3.0 If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp(a)intel.com&gt; Reported-by: Dan Carpenter <dan.carpenter(a)oracle.com&gt; New smatch warnings: fs/btrfs/zoned.c:597 btrfs_get_dev_zone_info() warn: possible memory leak of 'zone_info' Old smatch warnings: fs/btrfs/zoned.c:169 sb_zone_number() error: uninitialized symbol 'zone'. fs/btrfs/zoned.c:1452 btrfs_load_block_group_zone_info() error: uninitialized symbol 'ret'. vim +/zone_info +597 fs/btrfs/zoned.c 1c0066baa869433 Naohiro Aota 2021-11-11 348 int btrfs_get_dev_zone_info(struct btrfs_device *device, bool populate_cache) 5b316468983dfa9 Naohiro Aota 2020-11-10 349 { 3c9daa09ccd43f6 Johannes Thumshirn 2021-02-04 350 struct btrfs_fs_info *fs_info = device->fs_info; 5b316468983dfa9 Naohiro Aota 2020-11-10 351 struct btrfs_zoned_device_info *zone_info = NULL; 5b316468983dfa9 Naohiro Aota 2020-11-10 352 struct block_device *bdev = device->bdev; ea6f8ddcde63812 Naohiro Aota 2021-08-19 353 struct request_queue *queue = bdev_get_queue(bdev); ea6f8ddcde63812 Naohiro Aota 2021-08-19 354 unsigned int max_active_zones; ea6f8ddcde63812 Naohiro Aota 2021-08-19 355 unsigned int nactive; 5b316468983dfa9 Naohiro Aota 2020-11-10 356 sector_t nr_sectors; 5b316468983dfa9 Naohiro Aota 2020-11-10 357 sector_t sector = 0; 5b316468983dfa9 Naohiro Aota 2020-11-10 358 struct blk_zone *zones = NULL; 5b316468983dfa9 Naohiro Aota 2020-11-10 359 unsigned int i, nreported = 0, nr_zones; d734492a14a2da6 Naohiro Aota 2021-03-03 360 sector_t zone_sectors; 3c9daa09ccd43f6 Johannes Thumshirn 2021-02-04 361 char *model, *emulated; 5b316468983dfa9 Naohiro Aota 2020-11-10 362 int ret; 5b316468983dfa9 Naohiro Aota 2020-11-10 363 3c9daa09ccd43f6 Johannes Thumshirn 2021-02-04 364 /* 3c9daa09ccd43f6 Johannes Thumshirn 2021-02-04 365 * Cannot use btrfs_is_zoned here, since fs_info::zone_size might not 3c9daa09ccd43f6 Johannes Thumshirn 2021-02-04 366 * yet be set. 3c9daa09ccd43f6 Johannes Thumshirn 2021-02-04 367 */ 3c9daa09ccd43f6 Johannes Thumshirn 2021-02-04 368 if (!btrfs_fs_incompat(fs_info, ZONED)) 5b316468983dfa9 Naohiro Aota 2020-11-10 369 return 0; 5b316468983dfa9 Naohiro Aota 2020-11-10 370 5b316468983dfa9 Naohiro Aota 2020-11-10 371 if (device->zone_info) 5b316468983dfa9 Naohiro Aota 2020-11-10 372 return 0; 5b316468983dfa9 Naohiro Aota 2020-11-10 373 5b316468983dfa9 Naohiro Aota 2020-11-10 374 zone_info = kzalloc(sizeof(*zone_info), GFP_KERNEL); ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ 5b316468983dfa9 Naohiro Aota 2020-11-10 375 if (!zone_info) 5b316468983dfa9 Naohiro Aota 2020-11-10 376 return -ENOMEM; 5b316468983dfa9 Naohiro Aota 2020-11-10 377 3c9daa09ccd43f6 Johannes Thumshirn 2021-02-04 378 if (!bdev_is_zoned(bdev)) { 3c9daa09ccd43f6 Johannes Thumshirn 2021-02-04 379 if (!fs_info->zone_size) { 3c9daa09ccd43f6 Johannes Thumshirn 2021-02-04 380 ret = calculate_emulated_zone_size(fs_info); 3c9daa09ccd43f6 Johannes Thumshirn 2021-02-04 381 if (ret) 3c9daa09ccd43f6 Johannes Thumshirn 2021-02-04 382 goto out; ^^^^^^^^^ 3c9daa09ccd43f6 Johannes Thumshirn 2021-02-04 383 } 3c9daa09ccd43f6 Johannes Thumshirn 2021-02-04 384 3c9daa09ccd43f6 Johannes Thumshirn 2021-02-04 385 ASSERT(fs_info->zone_size); 3c9daa09ccd43f6 Johannes Thumshirn 2021-02-04 386 zone_sectors = fs_info->zone_size >> SECTOR_SHIFT; 3c9daa09ccd43f6 Johannes Thumshirn 2021-02-04 387 } else { 5b316468983dfa9 Naohiro Aota 2020-11-10 388 zone_sectors = bdev_zone_sectors(bdev); 3c9daa09ccd43f6 Johannes Thumshirn 2021-02-04 389 } 3c9daa09ccd43f6 Johannes Thumshirn 2021-02-04 390 5b316468983dfa9 Naohiro Aota 2020-11-10 391 /* Check if it's power of 2 (see is_power_of_2) */ 5b316468983dfa9 Naohiro Aota 2020-11-10 392 ASSERT(zone_sectors != 0 && (zone_sectors & (zone_sectors - 1)) == 0); 5b316468983dfa9 Naohiro Aota 2020-11-10 393 zone_info->zone_size = zone_sectors << SECTOR_SHIFT; 53b74fa990bf76f Naohiro Aota 2021-04-08 394 53b74fa990bf76f Naohiro Aota 2021-04-08 395 /* We reject devices with a zone size larger than 8GB */ 53b74fa990bf76f Naohiro Aota 2021-04-08 396 if (zone_info->zone_size > BTRFS_MAX_ZONE_SIZE) { 53b74fa990bf76f Naohiro Aota 2021-04-08 397 btrfs_err_in_rcu(fs_info, 53b74fa990bf76f Naohiro Aota 2021-04-08 398 "zoned: %s: zone size %llu larger than supported maximum %llu", 53b74fa990bf76f Naohiro Aota 2021-04-08 399 rcu_str_deref(device->name), 53b74fa990bf76f Naohiro Aota 2021-04-08 400 zone_info->zone_size, BTRFS_MAX_ZONE_SIZE); 53b74fa990bf76f Naohiro Aota 2021-04-08 401 ret = -EINVAL; 53b74fa990bf76f Naohiro Aota 2021-04-08 402 goto out; 53b74fa990bf76f Naohiro Aota 2021-04-08 403 } 53b74fa990bf76f Naohiro Aota 2021-04-08 404 53b74fa990bf76f Naohiro Aota 2021-04-08 405 nr_sectors = bdev_nr_sectors(bdev); 5b316468983dfa9 Naohiro Aota 2020-11-10 406 zone_info->zone_size_shift = ilog2(zone_info->zone_size); 5b316468983dfa9 Naohiro Aota 2020-11-10 407 zone_info->nr_zones = nr_sectors >> ilog2(zone_sectors); 5b316468983dfa9 Naohiro Aota 2020-11-10 408 if (!IS_ALIGNED(nr_sectors, zone_sectors)) 5b316468983dfa9 Naohiro Aota 2020-11-10 409 zone_info->nr_zones++; 5b316468983dfa9 Naohiro Aota 2020-11-10 410 ea6f8ddcde63812 Naohiro Aota 2021-08-19 411 max_active_zones = queue_max_active_zones(queue); ea6f8ddcde63812 Naohiro Aota 2021-08-19 412 if (max_active_zones && max_active_zones < BTRFS_MIN_ACTIVE_ZONES) { ea6f8ddcde63812 Naohiro Aota 2021-08-19 413 btrfs_err_in_rcu(fs_info, ea6f8ddcde63812 Naohiro Aota 2021-08-19 414 "zoned: %s: max active zones %u is too small, need at least %u active zones", ea6f8ddcde63812 Naohiro Aota 2021-08-19 415 rcu_str_deref(device->name), max_active_zones, ea6f8ddcde63812 Naohiro Aota 2021-08-19 416 BTRFS_MIN_ACTIVE_ZONES); ea6f8ddcde63812 Naohiro Aota 2021-08-19 417 ret = -EINVAL; ea6f8ddcde63812 Naohiro Aota 2021-08-19 418 goto out; ea6f8ddcde63812 Naohiro Aota 2021-08-19 419 } ea6f8ddcde63812 Naohiro Aota 2021-08-19 420 zone_info->max_active_zones = max_active_zones; ea6f8ddcde63812 Naohiro Aota 2021-08-19 421 5b316468983dfa9 Naohiro Aota 2020-11-10 422 zone_info->seq_zones = bitmap_zalloc(zone_info->nr_zones, GFP_KERNEL); 5b316468983dfa9 Naohiro Aota 2020-11-10 423 if (!zone_info->seq_zones) { 5b316468983dfa9 Naohiro Aota 2020-11-10 424 ret = -ENOMEM; 5b316468983dfa9 Naohiro Aota 2020-11-10 425 goto out; 5b316468983dfa9 Naohiro Aota 2020-11-10 426 } 5b316468983dfa9 Naohiro Aota 2020-11-10 427 5b316468983dfa9 Naohiro Aota 2020-11-10 428 zone_info->empty_zones = bitmap_zalloc(zone_info->nr_zones, GFP_KERNEL); 5b316468983dfa9 Naohiro Aota 2020-11-10 429 if (!zone_info->empty_zones) { 5b316468983dfa9 Naohiro Aota 2020-11-10 430 ret = -ENOMEM; 5b316468983dfa9 Naohiro Aota 2020-11-10 431 goto out; 5b316468983dfa9 Naohiro Aota 2020-11-10 432 } 5b316468983dfa9 Naohiro Aota 2020-11-10 433 ea6f8ddcde63812 Naohiro Aota 2021-08-19 434 zone_info->active_zones = bitmap_zalloc(zone_info->nr_zones, GFP_KERNEL); ea6f8ddcde63812 Naohiro Aota 2021-08-19 435 if (!zone_info->active_zones) { ea6f8ddcde63812 Naohiro Aota 2021-08-19 436 ret = -ENOMEM; ea6f8ddcde63812 Naohiro Aota 2021-08-19 437 goto out; ea6f8ddcde63812 Naohiro Aota 2021-08-19 438 } ea6f8ddcde63812 Naohiro Aota 2021-08-19 439 5b316468983dfa9 Naohiro Aota 2020-11-10 440 zones = kcalloc(BTRFS_REPORT_NR_ZONES, sizeof(struct blk_zone), GFP_KERNEL); 5b316468983dfa9 Naohiro Aota 2020-11-10 441 if (!zones) { 5b316468983dfa9 Naohiro Aota 2020-11-10 442 ret = -ENOMEM; 5b316468983dfa9 Naohiro Aota 2020-11-10 443 goto out; 5b316468983dfa9 Naohiro Aota 2020-11-10 444 } 5b316468983dfa9 Naohiro Aota 2020-11-10 445 1c0066baa869433 Naohiro Aota 2021-11-11 446 /* 1c0066baa869433 Naohiro Aota 2021-11-11 447 * Enable zone cache only for a zoned device. On a non-zoned device, we 1c0066baa869433 Naohiro Aota 2021-11-11 448 * fill the zone info with emulated CONVENTIONAL zones, so no need to 1c0066baa869433 Naohiro Aota 2021-11-11 449 * use the cache. 1c0066baa869433 Naohiro Aota 2021-11-11 450 */ 1c0066baa869433 Naohiro Aota 2021-11-11 451 if (populate_cache && bdev_is_zoned(device->bdev)) { 1c0066baa869433 Naohiro Aota 2021-11-11 452 zone_info->zone_cache = vzalloc(sizeof(struct blk_zone) * 1c0066baa869433 Naohiro Aota 2021-11-11 453 zone_info->nr_zones); 1c0066baa869433 Naohiro Aota 2021-11-11 454 if (!zone_info->zone_cache) { 1c0066baa869433 Naohiro Aota 2021-11-11 455 btrfs_err_in_rcu(device->fs_info, 1c0066baa869433 Naohiro Aota 2021-11-11 456 "zoned: failed to allocate zone cache for %s", 1c0066baa869433 Naohiro Aota 2021-11-11 457 rcu_str_deref(device->name)); 1c0066baa869433 Naohiro Aota 2021-11-11 458 ret = -ENOMEM; 1c0066baa869433 Naohiro Aota 2021-11-11 459 goto out; 1c0066baa869433 Naohiro Aota 2021-11-11 460 } 1c0066baa869433 Naohiro Aota 2021-11-11 461 } 1c0066baa869433 Naohiro Aota 2021-11-11 462 1c0066baa869433 Naohiro Aota 2021-11-11 463 device->zone_info = zone_info; ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Error paths after this point will free zone_info and the bitmaps. 1c0066baa869433 Naohiro Aota 2021-11-11 464 5b316468983dfa9 Naohiro Aota 2020-11-10 465 /* Get zones type */ ea6f8ddcde63812 Naohiro Aota 2021-08-19 466 nactive = 0; 5b316468983dfa9 Naohiro Aota 2020-11-10 467 while (sector < nr_sectors) { 5b316468983dfa9 Naohiro Aota 2020-11-10 468 nr_zones = BTRFS_REPORT_NR_ZONES; 5b316468983dfa9 Naohiro Aota 2020-11-10 469 ret = btrfs_get_dev_zones(device, sector << SECTOR_SHIFT, zones, 5b316468983dfa9 Naohiro Aota 2020-11-10 470 &nr_zones); 5b316468983dfa9 Naohiro Aota 2020-11-10 471 if (ret) 5b316468983dfa9 Naohiro Aota 2020-11-10 472 goto out; 5b316468983dfa9 Naohiro Aota 2020-11-10 473 5b316468983dfa9 Naohiro Aota 2020-11-10 474 for (i = 0; i < nr_zones; i++) { 5b316468983dfa9 Naohiro Aota 2020-11-10 475 if (zones[i].type == BLK_ZONE_TYPE_SEQWRITE_REQ) 5b316468983dfa9 Naohiro Aota 2020-11-10 476 __set_bit(nreported, zone_info->seq_zones); ea6f8ddcde63812 Naohiro Aota 2021-08-19 477 switch (zones[i].cond) { ea6f8ddcde63812 Naohiro Aota 2021-08-19 478 case BLK_ZONE_COND_EMPTY: 5b316468983dfa9 Naohiro Aota 2020-11-10 479 __set_bit(nreported, zone_info->empty_zones); ea6f8ddcde63812 Naohiro Aota 2021-08-19 480 break; ea6f8ddcde63812 Naohiro Aota 2021-08-19 481 case BLK_ZONE_COND_IMP_OPEN: ea6f8ddcde63812 Naohiro Aota 2021-08-19 482 case BLK_ZONE_COND_EXP_OPEN: ea6f8ddcde63812 Naohiro Aota 2021-08-19 483 case BLK_ZONE_COND_CLOSED: ea6f8ddcde63812 Naohiro Aota 2021-08-19 484 __set_bit(nreported, zone_info->active_zones); ea6f8ddcde63812 Naohiro Aota 2021-08-19 485 nactive++; ea6f8ddcde63812 Naohiro Aota 2021-08-19 486 break; ea6f8ddcde63812 Naohiro Aota 2021-08-19 487 } 5b316468983dfa9 Naohiro Aota 2020-11-10 488 nreported++; 5b316468983dfa9 Naohiro Aota 2020-11-10 489 } 5b316468983dfa9 Naohiro Aota 2020-11-10 490 sector = zones[nr_zones - 1].start + zones[nr_zones - 1].len; 5b316468983dfa9 Naohiro Aota 2020-11-10 491 } 5b316468983dfa9 Naohiro Aota 2020-11-10 492 5b316468983dfa9 Naohiro Aota 2020-11-10 493 if (nreported != zone_info->nr_zones) { 5b316468983dfa9 Naohiro Aota 2020-11-10 494 btrfs_err_in_rcu(device->fs_info, 5b316468983dfa9 Naohiro Aota 2020-11-10 495 "inconsistent number of zones on %s (%u/%u)", 5b316468983dfa9 Naohiro Aota 2020-11-10 496 rcu_str_deref(device->name), nreported, 5b316468983dfa9 Naohiro Aota 2020-11-10 497 zone_info->nr_zones); 5b316468983dfa9 Naohiro Aota 2020-11-10 498 ret = -EIO; 5b316468983dfa9 Naohiro Aota 2020-11-10 499 goto out; 5b316468983dfa9 Naohiro Aota 2020-11-10 500 } 5b316468983dfa9 Naohiro Aota 2020-11-10 501 ea6f8ddcde63812 Naohiro Aota 2021-08-19 502 if (max_active_zones) { ea6f8ddcde63812 Naohiro Aota 2021-08-19 503 if (nactive > max_active_zones) { ea6f8ddcde63812 Naohiro Aota 2021-08-19 504 btrfs_err_in_rcu(device->fs_info, ea6f8ddcde63812 Naohiro Aota 2021-08-19 505 "zoned: %u active zones on %s exceeds max_active_zones %u", ea6f8ddcde63812 Naohiro Aota 2021-08-19 506 nactive, rcu_str_deref(device->name), ea6f8ddcde63812 Naohiro Aota 2021-08-19 507 max_active_zones); ea6f8ddcde63812 Naohiro Aota 2021-08-19 508 ret = -EIO; ea6f8ddcde63812 Naohiro Aota 2021-08-19 509 goto out; ea6f8ddcde63812 Naohiro Aota 2021-08-19 510 } ea6f8ddcde63812 Naohiro Aota 2021-08-19 511 atomic_set(&zone_info->active_zones_left, ea6f8ddcde63812 Naohiro Aota 2021-08-19 512 max_active_zones - nactive); ea6f8ddcde63812 Naohiro Aota 2021-08-19 513 } ea6f8ddcde63812 Naohiro Aota 2021-08-19 514 12659251ca5df05 Naohiro Aota 2020-11-10 515 /* Validate superblock log */ 12659251ca5df05 Naohiro Aota 2020-11-10 516 nr_zones = BTRFS_NR_SB_LOG_ZONES; 12659251ca5df05 Naohiro Aota 2020-11-10 517 for (i = 0; i < BTRFS_SUPER_MIRROR_MAX; i++) { 12659251ca5df05 Naohiro Aota 2020-11-10 518 u32 sb_zone; 12659251ca5df05 Naohiro Aota 2020-11-10 519 u64 sb_wp; 12659251ca5df05 Naohiro Aota 2020-11-10 520 int sb_pos = BTRFS_NR_SB_LOG_ZONES * i; 12659251ca5df05 Naohiro Aota 2020-11-10 521 12659251ca5df05 Naohiro Aota 2020-11-10 522 sb_zone = sb_zone_number(zone_info->zone_size_shift, i); 12659251ca5df05 Naohiro Aota 2020-11-10 523 if (sb_zone + 1 >= zone_info->nr_zones) 12659251ca5df05 Naohiro Aota 2020-11-10 524 continue; 12659251ca5df05 Naohiro Aota 2020-11-10 525 5b434df8778771d Naohiro Aota 2021-05-27 526 ret = btrfs_get_dev_zones(device, 5b434df8778771d Naohiro Aota 2021-05-27 527 zone_start_physical(sb_zone, zone_info), 12659251ca5df05 Naohiro Aota 2020-11-10 528 &zone_info->sb_zones[sb_pos], 12659251ca5df05 Naohiro Aota 2020-11-10 529 &nr_zones); 12659251ca5df05 Naohiro Aota 2020-11-10 530 if (ret) 12659251ca5df05 Naohiro Aota 2020-11-10 531 goto out; 12659251ca5df05 Naohiro Aota 2020-11-10 532 12659251ca5df05 Naohiro Aota 2020-11-10 533 if (nr_zones != BTRFS_NR_SB_LOG_ZONES) { 12659251ca5df05 Naohiro Aota 2020-11-10 534 btrfs_err_in_rcu(device->fs_info, 12659251ca5df05 Naohiro Aota 2020-11-10 535 "zoned: failed to read super block log zone info at devid %llu zone %u", 12659251ca5df05 Naohiro Aota 2020-11-10 536 device->devid, sb_zone); 12659251ca5df05 Naohiro Aota 2020-11-10 537 ret = -EUCLEAN; 12659251ca5df05 Naohiro Aota 2020-11-10 538 goto out; 12659251ca5df05 Naohiro Aota 2020-11-10 539 } 12659251ca5df05 Naohiro Aota 2020-11-10 540 12659251ca5df05 Naohiro Aota 2020-11-10 541 /* 1a9fd4172d5c8ba David Sterba 2021-05-21 542 * If zones[0] is conventional, always use the beginning of the 12659251ca5df05 Naohiro Aota 2020-11-10 543 * zone to record superblock. No need to validate in that case. 12659251ca5df05 Naohiro Aota 2020-11-10 544 */ 12659251ca5df05 Naohiro Aota 2020-11-10 545 if (zone_info->sb_zones[BTRFS_NR_SB_LOG_ZONES * i].type == 12659251ca5df05 Naohiro Aota 2020-11-10 546 BLK_ZONE_TYPE_CONVENTIONAL) 12659251ca5df05 Naohiro Aota 2020-11-10 547 continue; 12659251ca5df05 Naohiro Aota 2020-11-10 548 12659251ca5df05 Naohiro Aota 2020-11-10 549 ret = sb_write_pointer(device->bdev, 12659251ca5df05 Naohiro Aota 2020-11-10 550 &zone_info->sb_zones[sb_pos], &sb_wp); 12659251ca5df05 Naohiro Aota 2020-11-10 551 if (ret != -ENOENT && ret) { 12659251ca5df05 Naohiro Aota 2020-11-10 552 btrfs_err_in_rcu(device->fs_info, 12659251ca5df05 Naohiro Aota 2020-11-10 553 "zoned: super block log zone corrupted devid %llu zone %u", 12659251ca5df05 Naohiro Aota 2020-11-10 554 device->devid, sb_zone); 12659251ca5df05 Naohiro Aota 2020-11-10 555 ret = -EUCLEAN; 12659251ca5df05 Naohiro Aota 2020-11-10 556 goto out; 12659251ca5df05 Naohiro Aota 2020-11-10 557 } 12659251ca5df05 Naohiro Aota 2020-11-10 558 } 12659251ca5df05 Naohiro Aota 2020-11-10 559 12659251ca5df05 Naohiro Aota 2020-11-10 560 5b316468983dfa9 Naohiro Aota 2020-11-10 561 kfree(zones); 5b316468983dfa9 Naohiro Aota 2020-11-10 562 3c9daa09ccd43f6 Johannes Thumshirn 2021-02-04 563 switch (bdev_zoned_model(bdev)) { 3c9daa09ccd43f6 Johannes Thumshirn 2021-02-04 564 case BLK_ZONED_HM: 3c9daa09ccd43f6 Johannes Thumshirn 2021-02-04 565 model = "host-managed zoned"; 3c9daa09ccd43f6 Johannes Thumshirn 2021-02-04 566 emulated = ""; 3c9daa09ccd43f6 Johannes Thumshirn 2021-02-04 567 break; 3c9daa09ccd43f6 Johannes Thumshirn 2021-02-04 568 case BLK_ZONED_HA: 3c9daa09ccd43f6 Johannes Thumshirn 2021-02-04 569 model = "host-aware zoned"; 3c9daa09ccd43f6 Johannes Thumshirn 2021-02-04 570 emulated = ""; 3c9daa09ccd43f6 Johannes Thumshirn 2021-02-04 571 break; 3c9daa09ccd43f6 Johannes Thumshirn 2021-02-04 572 case BLK_ZONED_NONE: 3c9daa09ccd43f6 Johannes Thumshirn 2021-02-04 573 model = "regular"; 3c9daa09ccd43f6 Johannes Thumshirn 2021-02-04 574 emulated = "emulated "; 3c9daa09ccd43f6 Johannes Thumshirn 2021-02-04 575 break; 3c9daa09ccd43f6 Johannes Thumshirn 2021-02-04 576 default: 3c9daa09ccd43f6 Johannes Thumshirn 2021-02-04 577 /* Just in case */ 3c9daa09ccd43f6 Johannes Thumshirn 2021-02-04 578 btrfs_err_in_rcu(fs_info, "zoned: unsupported model %d on %s", 3c9daa09ccd43f6 Johannes Thumshirn 2021-02-04 579 bdev_zoned_model(bdev), 3c9daa09ccd43f6 Johannes Thumshirn 2021-02-04 580 rcu_str_deref(device->name)); 3c9daa09ccd43f6 Johannes Thumshirn 2021-02-04 581 ret = -EOPNOTSUPP; 3c9daa09ccd43f6 Johannes Thumshirn 2021-02-04 582 goto out_free_zone_info; 3c9daa09ccd43f6 Johannes Thumshirn 2021-02-04 583 } 3c9daa09ccd43f6 Johannes Thumshirn 2021-02-04 584 3c9daa09ccd43f6 Johannes Thumshirn 2021-02-04 585 btrfs_info_in_rcu(fs_info, 3c9daa09ccd43f6 Johannes Thumshirn 2021-02-04 586 "%s block device %s, %u %szones of %llu bytes", 3c9daa09ccd43f6 Johannes Thumshirn 2021-02-04 587 model, rcu_str_deref(device->name), zone_info->nr_zones, 3c9daa09ccd43f6 Johannes Thumshirn 2021-02-04 588 emulated, zone_info->zone_size); 5b316468983dfa9 Naohiro Aota 2020-11-10 589 5b316468983dfa9 Naohiro Aota 2020-11-10 590 return 0; 5b316468983dfa9 Naohiro Aota 2020-11-10 591 5b316468983dfa9 Naohiro Aota 2020-11-10 592 out: 5b316468983dfa9 Naohiro Aota 2020-11-10 593 kfree(zones); 3c9daa09ccd43f6 Johannes Thumshirn 2021-02-04 594 out_free_zone_info: 0a2a39576fa1dd6 Johannes Thumshirn 2021-12-07 595 btrfs_destroy_dev_zone_info(device); 5b316468983dfa9 Naohiro Aota 2020-11-10 596 5b316468983dfa9 Naohiro Aota 2020-11-10 @597 return ret; ^^^^^^^^^^ leaks 5b316468983dfa9 Naohiro Aota 2020-11-10 598 } --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org