Hi Luiz, kernel test robot noticed the following build errors: [auto build test ERROR on bluetooth-next/master] [also build test ERROR on bluetooth/master linus/master v6.17-rc2 next-20250820] [If your patch is applied to the wrong git tree, kindly drop us a note. And when submitting patch, we suggest to use '--base' as documented in https://git-scm.com/docs/git-format-patch#_base_tree_information] url: https://github.com/intel-lab-lkp/linux/commits/Luiz-Augusto-von-Dentz/Bluetooth-MGMT-Fix-not-exposing-debug-UUID-on-MGMT_OP_READ_EXP_FEATURES_INFO/20250820-230851 base: https://git.kernel.org/pub/scm/linux/kernel/git/bluetooth/bluetooth-next.git master patch link: https://lore.kernel.org/r/20250820145829.1766185-1-luiz.dentz%40gmail.com patch subject: [PATCH v1] Bluetooth: MGMT: Fix not exposing debug UUID on MGMT_OP_READ_EXP_FEATURES_INFO config: csky-randconfig-001-20250821 (https://download.01.org/0day-ci/archive/20250821/202508210258.dagzqWcm-lkp@xxxxxxxxx/config) compiler: csky-linux-gcc (GCC) 13.4.0 reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20250821/202508210258.dagzqWcm-lkp@xxxxxxxxx/reproduce) If you fix the issue in a separate patch/commit (i.e. not just a new version of the same patch/commit), kindly add following tags | Reported-by: kernel test robot <lkp@xxxxxxxxx> | Closes: https://lore.kernel.org/oe-kbuild-all/202508210258.dagzqWcm-lkp@xxxxxxxxx/ All errors (new ones prefixed by >>): net/bluetooth/mgmt.c: In function 'read_exp_features_info': >> net/bluetooth/mgmt.c:4470:25: error: implicit declaration of function 'bt_dbg_get' [-Werror=implicit-function-declaration] 4470 | flags = bt_dbg_get() ? BIT(0) : 0; | ^~~~~~~~~~ cc1: some warnings being treated as errors vim +/bt_dbg_get +4470 net/bluetooth/mgmt.c af6bcc1921ff0b Brian Gix 2022-09-01 4451 a10c907ce0e5e1 Marcel Holtmann 2020-05-06 4452 static int read_exp_features_info(struct sock *sk, struct hci_dev *hdev, a10c907ce0e5e1 Marcel Holtmann 2020-05-06 4453 void *data, u16 data_len) a10c907ce0e5e1 Marcel Holtmann 2020-05-06 4454 { af6bcc1921ff0b Brian Gix 2022-09-01 4455 struct mgmt_rp_read_exp_features_info *rp; af6bcc1921ff0b Brian Gix 2022-09-01 4456 size_t len; a10c907ce0e5e1 Marcel Holtmann 2020-05-06 4457 u16 idx = 0; 15d8ce05ebec37 Alain Michaud 2020-07-07 4458 u32 flags; af6bcc1921ff0b Brian Gix 2022-09-01 4459 int status; a10c907ce0e5e1 Marcel Holtmann 2020-05-06 4460 a10c907ce0e5e1 Marcel Holtmann 2020-05-06 4461 bt_dev_dbg(hdev, "sock %p", sk); a10c907ce0e5e1 Marcel Holtmann 2020-05-06 4462 af6bcc1921ff0b Brian Gix 2022-09-01 4463 /* Enough space for 7 features */ af6bcc1921ff0b Brian Gix 2022-09-01 4464 len = sizeof(*rp) + (sizeof(rp->features[0]) * 7); bb20da18ce936a Yihao Han 2022-09-19 4465 rp = kzalloc(len, GFP_KERNEL); af6bcc1921ff0b Brian Gix 2022-09-01 4466 if (!rp) af6bcc1921ff0b Brian Gix 2022-09-01 4467 return -ENOMEM; af6bcc1921ff0b Brian Gix 2022-09-01 4468 50912f8b707c67 Luiz Augusto von Dentz 2025-08-20 4469 if (IS_ENABLED(CONFIG_BT_FEATURE_DEBUG)) { 15d8ce05ebec37 Alain Michaud 2020-07-07 @4470 flags = bt_dbg_get() ? BIT(0) : 0; e625e50ceee18b Marcel Holtmann 2020-05-06 4471 e625e50ceee18b Marcel Holtmann 2020-05-06 4472 memcpy(rp->features[idx].uuid, debug_uuid, 16); e625e50ceee18b Marcel Holtmann 2020-05-06 4473 rp->features[idx].flags = cpu_to_le32(flags); e625e50ceee18b Marcel Holtmann 2020-05-06 4474 idx++; e625e50ceee18b Marcel Holtmann 2020-05-06 4475 } e625e50ceee18b Marcel Holtmann 2020-05-06 4476 76d0685bbac8ae Luiz Augusto von Dentz 2021-12-22 4477 if (hdev && hci_dev_le_state_simultaneous(hdev)) { 76d0685bbac8ae Luiz Augusto von Dentz 2021-12-22 4478 if (hci_dev_test_flag(hdev, HCI_LE_SIMULTANEOUS_ROLES)) 15d8ce05ebec37 Alain Michaud 2020-07-07 4479 flags = BIT(0); 15d8ce05ebec37 Alain Michaud 2020-07-07 4480 else 15d8ce05ebec37 Alain Michaud 2020-07-07 4481 flags = 0; 15d8ce05ebec37 Alain Michaud 2020-07-07 4482 76d0685bbac8ae Luiz Augusto von Dentz 2021-12-22 4483 memcpy(rp->features[idx].uuid, le_simultaneous_roles_uuid, 16); 15d8ce05ebec37 Alain Michaud 2020-07-07 4484 rp->features[idx].flags = cpu_to_le32(flags); 15d8ce05ebec37 Alain Michaud 2020-07-07 4485 idx++; 15d8ce05ebec37 Alain Michaud 2020-07-07 4486 } 15d8ce05ebec37 Alain Michaud 2020-07-07 4487 258f56d11bbbf3 Joseph Hwang 2021-11-02 4488 if (hdev && (aosp_has_quality_report(hdev) || 258f56d11bbbf3 Joseph Hwang 2021-11-02 4489 hdev->set_quality_report)) { ae7d925b5c0432 Joseph Hwang 2021-08-15 4490 if (hci_dev_test_flag(hdev, HCI_QUALITY_REPORT)) 823f3bc4e2eca7 Marcel Holtmann 2021-09-28 4491 flags = BIT(0); 823f3bc4e2eca7 Marcel Holtmann 2021-09-28 4492 else ae7d925b5c0432 Joseph Hwang 2021-08-15 4493 flags = 0; 823f3bc4e2eca7 Marcel Holtmann 2021-09-28 4494 ae7d925b5c0432 Joseph Hwang 2021-08-15 4495 memcpy(rp->features[idx].uuid, quality_report_uuid, 16); ae7d925b5c0432 Joseph Hwang 2021-08-15 4496 rp->features[idx].flags = cpu_to_le32(flags); ae7d925b5c0432 Joseph Hwang 2021-08-15 4497 idx++; ae7d925b5c0432 Joseph Hwang 2021-08-15 4498 } ae7d925b5c0432 Joseph Hwang 2021-08-15 4499 7f7fd17ed7c522 Marcel Holtmann 2021-09-28 4500 if (hdev && hdev->get_data_path_id) { ad933151832855 Kiran K 2021-09-07 4501 if (hci_dev_test_flag(hdev, HCI_OFFLOAD_CODECS_ENABLED)) 7f7fd17ed7c522 Marcel Holtmann 2021-09-28 4502 flags = BIT(0); 7f7fd17ed7c522 Marcel Holtmann 2021-09-28 4503 else ad933151832855 Kiran K 2021-09-07 4504 flags = 0; 7f7fd17ed7c522 Marcel Holtmann 2021-09-28 4505 ad933151832855 Kiran K 2021-09-07 4506 memcpy(rp->features[idx].uuid, offload_codecs_uuid, 16); ad933151832855 Kiran K 2021-09-07 4507 rp->features[idx].flags = cpu_to_le32(flags); ad933151832855 Kiran K 2021-09-07 4508 idx++; ad933151832855 Kiran K 2021-09-07 4509 } ad933151832855 Kiran K 2021-09-07 4510 ccf74f2390d60a Luiz Augusto von Dentz 2020-01-16 4511 if (IS_ENABLED(CONFIG_BT_LE)) { 3ca23aaba210e4 Luiz Augusto von Dentz 2025-08-04 4512 flags = iso_inited() ? BIT(0) : 0; ccf74f2390d60a Luiz Augusto von Dentz 2020-01-16 4513 memcpy(rp->features[idx].uuid, iso_socket_uuid, 16); ccf74f2390d60a Luiz Augusto von Dentz 2020-01-16 4514 rp->features[idx].flags = cpu_to_le32(flags); ccf74f2390d60a Luiz Augusto von Dentz 2020-01-16 4515 idx++; ccf74f2390d60a Luiz Augusto von Dentz 2020-01-16 4516 } ccf74f2390d60a Luiz Augusto von Dentz 2020-01-16 4517 af6bcc1921ff0b Brian Gix 2022-09-01 4518 if (hdev && lmp_le_capable(hdev)) { af6bcc1921ff0b Brian Gix 2022-09-01 4519 if (hci_dev_test_flag(hdev, HCI_MESH_EXPERIMENTAL)) af6bcc1921ff0b Brian Gix 2022-09-01 4520 flags = BIT(0); af6bcc1921ff0b Brian Gix 2022-09-01 4521 else af6bcc1921ff0b Brian Gix 2022-09-01 4522 flags = 0; af6bcc1921ff0b Brian Gix 2022-09-01 4523 af6bcc1921ff0b Brian Gix 2022-09-01 4524 memcpy(rp->features[idx].uuid, mgmt_mesh_uuid, 16); af6bcc1921ff0b Brian Gix 2022-09-01 4525 rp->features[idx].flags = cpu_to_le32(flags); af6bcc1921ff0b Brian Gix 2022-09-01 4526 idx++; af6bcc1921ff0b Brian Gix 2022-09-01 4527 } af6bcc1921ff0b Brian Gix 2022-09-01 4528 a10c907ce0e5e1 Marcel Holtmann 2020-05-06 4529 rp->feature_count = cpu_to_le16(idx); a10c907ce0e5e1 Marcel Holtmann 2020-05-06 4530 a10c907ce0e5e1 Marcel Holtmann 2020-05-06 4531 /* After reading the experimental features information, enable a10c907ce0e5e1 Marcel Holtmann 2020-05-06 4532 * the events to update client on any future change. a10c907ce0e5e1 Marcel Holtmann 2020-05-06 4533 */ a10c907ce0e5e1 Marcel Holtmann 2020-05-06 4534 hci_sock_set_flag(sk, HCI_MGMT_EXP_FEATURE_EVENTS); a10c907ce0e5e1 Marcel Holtmann 2020-05-06 4535 af6bcc1921ff0b Brian Gix 2022-09-01 4536 status = mgmt_cmd_complete(sk, hdev ? hdev->id : MGMT_INDEX_NONE, a10c907ce0e5e1 Marcel Holtmann 2020-05-06 4537 MGMT_OP_READ_EXP_FEATURES_INFO, a10c907ce0e5e1 Marcel Holtmann 2020-05-06 4538 0, rp, sizeof(*rp) + (20 * idx)); af6bcc1921ff0b Brian Gix 2022-09-01 4539 af6bcc1921ff0b Brian Gix 2022-09-01 4540 kfree(rp); af6bcc1921ff0b Brian Gix 2022-09-01 4541 return status; a10c907ce0e5e1 Marcel Holtmann 2020-05-06 4542 } a10c907ce0e5e1 Marcel Holtmann 2020-05-06 4543 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki
