CC: [email protected] BCC: [email protected] CC: [email protected] TO: Wang Hai <[email protected]> CC: Damien Le Moal <[email protected]> CC: Hans de Goede <[email protected]>
tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master head: 6a010258447d386186ca10cd374d888ac66ffe1a commit: 776c75010803849c1cc4f11031a2b3960ab05202 ata: ahci_platform: fix null-ptr-deref in ahci_platform_enable_regulators() date: 10 months ago :::::: branch date: 7 hours ago :::::: commit date: 10 months ago config: openrisc-randconfig-m041-20220731 (https://download.01.org/0day-ci/archive/20220731/[email protected]/config) compiler: or1k-linux-gcc (GCC) 12.1.0 If you fix the issue, kindly add following tag where applicable Reported-by: kernel test robot <[email protected]> Reported-by: Dan Carpenter <[email protected]> smatch warnings: drivers/ata/libahci_platform.c:552 ahci_platform_get_resources() warn: passing zero to 'ERR_PTR' vim +/ERR_PTR +552 drivers/ata/libahci_platform.c b1a9edbda040a435 Antoine Tenart 2014-07-30 513 c7d7ddee7e24eedd Gregory CLEMENT 2015-01-15 514 rc = ahci_platform_get_phy(hpriv, port, dev, child); d7f76f36a8b4dc8e Nishka Dasgupta 2019-08-15 515 if (rc) { d7f76f36a8b4dc8e Nishka Dasgupta 2019-08-15 516 of_node_put(child); c7d7ddee7e24eedd Gregory CLEMENT 2015-01-15 517 goto err_out; d7f76f36a8b4dc8e Nishka Dasgupta 2019-08-15 518 } c7d7ddee7e24eedd Gregory CLEMENT 2015-01-15 519 b1a9edbda040a435 Antoine Tenart 2014-07-30 520 enabled_ports++; b1a9edbda040a435 Antoine Tenart 2014-07-30 521 } b1a9edbda040a435 Antoine Tenart 2014-07-30 522 if (!enabled_ports) { b1a9edbda040a435 Antoine Tenart 2014-07-30 523 dev_warn(dev, "No port enabled\n"); b1a9edbda040a435 Antoine Tenart 2014-07-30 524 rc = -ENODEV; b1a9edbda040a435 Antoine Tenart 2014-07-30 525 goto err_out; b1a9edbda040a435 Antoine Tenart 2014-07-30 526 } b1a9edbda040a435 Antoine Tenart 2014-07-30 527 b1a9edbda040a435 Antoine Tenart 2014-07-30 528 if (!hpriv->mask_port_map) b1a9edbda040a435 Antoine Tenart 2014-07-30 529 hpriv->mask_port_map = mask_port_map; b1a9edbda040a435 Antoine Tenart 2014-07-30 530 } else { b1a9edbda040a435 Antoine Tenart 2014-07-30 531 /* b1a9edbda040a435 Antoine Tenart 2014-07-30 532 * If no sub-node was found, keep this for device tree b1a9edbda040a435 Antoine Tenart 2014-07-30 533 * compatibility b1a9edbda040a435 Antoine Tenart 2014-07-30 534 */ c7d7ddee7e24eedd Gregory CLEMENT 2015-01-15 535 rc = ahci_platform_get_phy(hpriv, 0, dev, dev->of_node); c7d7ddee7e24eedd Gregory CLEMENT 2015-01-15 536 if (rc) acbd573354bb7b7b Mikko Perttunen 2014-06-17 537 goto err_out; fd990556f0fa2544 Bartlomiej Zolnierkiewicz 2014-03-25 538 c7d7ddee7e24eedd Gregory CLEMENT 2015-01-15 539 rc = ahci_platform_get_regulator(hpriv, 0, dev); c7d7ddee7e24eedd Gregory CLEMENT 2015-01-15 540 if (rc == -EPROBE_DEFER) fd990556f0fa2544 Bartlomiej Zolnierkiewicz 2014-03-25 541 goto err_out; b1a9edbda040a435 Antoine Tenart 2014-07-30 542 } fd990556f0fa2544 Bartlomiej Zolnierkiewicz 2014-03-25 543 pm_runtime_enable(dev); eac7e072d7e99fad Tejun Heo 2018-08-06 544 pm_runtime_get_sync(dev); fd990556f0fa2544 Bartlomiej Zolnierkiewicz 2014-03-25 545 hpriv->got_runtime_pm = true; fd990556f0fa2544 Bartlomiej Zolnierkiewicz 2014-03-25 546 fd990556f0fa2544 Bartlomiej Zolnierkiewicz 2014-03-25 547 devres_remove_group(dev, NULL); fd990556f0fa2544 Bartlomiej Zolnierkiewicz 2014-03-25 548 return hpriv; fd990556f0fa2544 Bartlomiej Zolnierkiewicz 2014-03-25 549 fd990556f0fa2544 Bartlomiej Zolnierkiewicz 2014-03-25 550 err_out: fd990556f0fa2544 Bartlomiej Zolnierkiewicz 2014-03-25 551 devres_release_group(dev, NULL); fd990556f0fa2544 Bartlomiej Zolnierkiewicz 2014-03-25 @552 return ERR_PTR(rc); fd990556f0fa2544 Bartlomiej Zolnierkiewicz 2014-03-25 553 } fd990556f0fa2544 Bartlomiej Zolnierkiewicz 2014-03-25 554 EXPORT_SYMBOL_GPL(ahci_platform_get_resources); fd990556f0fa2544 Bartlomiej Zolnierkiewicz 2014-03-25 555 :::::: The code at line 552 was first introduced by commit :::::: fd990556f0fa25446c6bfa9cf4c9e49d387d4472 ata: move library code from ahci_platform.c to libahci_platform.c :::::: TO: Bartlomiej Zolnierkiewicz <[email protected]> :::::: CC: Tejun Heo <[email protected]> -- 0-DAY CI Kernel Test Service https://01.org/lkp _______________________________________________ kbuild mailing list -- [email protected] To unsubscribe send an email to [email protected]
