Hi Kai-Heng, Thank you for the patch! Perhaps something to improve: [auto build test WARNING on bluetooth-next/master] [also build test WARNING on bluetooth/master v5.9 next-20201023] [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] url: https://github.com/0day-ci/linux/commits/Kai-Heng-Feng/Bluetooth-btrtl-Ask-8821C-to-drop-old-firmware-after-shutdown/20201022-222743 base: https://git.kernel.org/pub/scm/linux/kernel/git/bluetooth/bluetooth-next.git master config: m68k-randconfig-s031-20201023 (attached as .config) compiler: m68k-linux-gcc (GCC) 9.3.0 reproduce: wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross chmod +x ~/bin/make.cross # apt-get install sparse # sparse version: v0.6.3-17-g2d3af347-dirty # https://github.com/0day-ci/linux/commit/d430672c074dec68229560c1d1309c99cc769efe git remote add linux-review https://github.com/0day-ci/linux git fetch --no-tags linux-review Kai-Heng-Feng/Bluetooth-btrtl-Ask-8821C-to-drop-old-firmware-after-shutdown/20201022-222743 git checkout d430672c074dec68229560c1d1309c99cc769efe # save the attached .config to linux build tree COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross C=1 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__' ARCH=m68k If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp@xxxxxxxxx> "sparse warnings: (new ones prefixed by >>)" >> drivers/bluetooth/btrtl.c:589:37: sparse: sparse: restricted __le16 degrades to integer >> drivers/bluetooth/btrtl.c:589:37: sparse: sparse: cast to restricted __le16 >> drivers/bluetooth/btrtl.c:589:37: sparse: sparse: restricted __le16 degrades to integer >> drivers/bluetooth/btrtl.c:589:37: sparse: sparse: cast to restricted __le16 >> drivers/bluetooth/btrtl.c:589:37: sparse: sparse: restricted __le16 degrades to integer >> drivers/bluetooth/btrtl.c:589:37: sparse: sparse: cast to restricted __le16 >> drivers/bluetooth/btrtl.c:589:37: sparse: sparse: restricted __le16 degrades to integer >> drivers/bluetooth/btrtl.c:589:37: sparse: sparse: cast to restricted __le16 drivers/bluetooth/btrtl.c:590:37: sparse: sparse: restricted __le16 degrades to integer drivers/bluetooth/btrtl.c:590:37: sparse: sparse: cast to restricted __le16 drivers/bluetooth/btrtl.c:590:37: sparse: sparse: restricted __le16 degrades to integer drivers/bluetooth/btrtl.c:590:37: sparse: sparse: cast to restricted __le16 drivers/bluetooth/btrtl.c:590:37: sparse: sparse: restricted __le16 degrades to integer drivers/bluetooth/btrtl.c:590:37: sparse: sparse: cast to restricted __le16 drivers/bluetooth/btrtl.c:590:37: sparse: sparse: restricted __le16 degrades to integer drivers/bluetooth/btrtl.c:590:37: sparse: sparse: cast to restricted __le16 drivers/bluetooth/btrtl.c: note: in included file: drivers/bluetooth/btrtl.h:47:45: sparse: sparse: array of flexible structures vim +589 drivers/bluetooth/btrtl.c 556 557 struct btrtl_device_info *btrtl_initialize(struct hci_dev *hdev, 558 const char *postfix) 559 { 560 struct btrtl_device_info *btrtl_dev; 561 struct sk_buff *skb; 562 struct hci_rp_read_local_version *resp; 563 char cfg_name[40]; 564 u16 hci_rev, lmp_subver; 565 u8 hci_ver; 566 int ret; 567 568 btrtl_dev = kzalloc(sizeof(*btrtl_dev), GFP_KERNEL); 569 if (!btrtl_dev) { 570 ret = -ENOMEM; 571 goto err_alloc; 572 } 573 574 skb = btrtl_read_local_version(hdev); 575 if (IS_ERR(skb)) { 576 ret = PTR_ERR(skb); 577 goto err_free; 578 } 579 580 resp = (struct hci_rp_read_local_version *)skb->data; 581 rtl_dev_info(hdev, "examining hci_ver=%02x hci_rev=%04x lmp_ver=%02x lmp_subver=%04x", 582 resp->hci_ver, resp->hci_rev, 583 resp->lmp_ver, resp->lmp_subver); 584 585 hci_ver = resp->hci_ver; 586 hci_rev = le16_to_cpu(resp->hci_rev); 587 lmp_subver = le16_to_cpu(resp->lmp_subver); 588 > 589 if (resp->hci_ver == 0x8 && le16_to_cpu(resp->hci_rev == 0x826c) && 590 resp->lmp_ver == 0x8 && le16_to_cpu(resp->lmp_subver == 0xa99e)) 591 btrtl_dev->drop_fw = true; 592 593 kfree_skb(skb); 594 595 btrtl_dev->ic_info = btrtl_match_ic(lmp_subver, hci_rev, hci_ver, 596 hdev->bus); 597 598 if (!btrtl_dev->ic_info) { 599 rtl_dev_info(hdev, "unknown IC info, lmp subver %04x, hci rev %04x, hci ver %04x", 600 lmp_subver, hci_rev, hci_ver); 601 return btrtl_dev; 602 } 603 604 if (btrtl_dev->ic_info->has_rom_version) { 605 ret = rtl_read_rom_version(hdev, &btrtl_dev->rom_version); 606 if (ret) 607 goto err_free; 608 } 609 610 btrtl_dev->fw_len = rtl_load_file(hdev, btrtl_dev->ic_info->fw_name, 611 &btrtl_dev->fw_data); 612 if (btrtl_dev->fw_len < 0) { 613 rtl_dev_err(hdev, "firmware file %s not found", 614 btrtl_dev->ic_info->fw_name); 615 ret = btrtl_dev->fw_len; 616 goto err_free; 617 } 618 619 if (btrtl_dev->ic_info->cfg_name) { 620 if (postfix) { 621 snprintf(cfg_name, sizeof(cfg_name), "%s-%s.bin", 622 btrtl_dev->ic_info->cfg_name, postfix); 623 } else { 624 snprintf(cfg_name, sizeof(cfg_name), "%s.bin", 625 btrtl_dev->ic_info->cfg_name); 626 } 627 btrtl_dev->cfg_len = rtl_load_file(hdev, cfg_name, 628 &btrtl_dev->cfg_data); 629 if (btrtl_dev->ic_info->config_needed && 630 btrtl_dev->cfg_len <= 0) { 631 rtl_dev_err(hdev, "mandatory config file %s not found", 632 btrtl_dev->ic_info->cfg_name); 633 ret = btrtl_dev->cfg_len; 634 goto err_free; 635 } 636 } 637 638 return btrtl_dev; 639 640 err_free: 641 btrtl_free(btrtl_dev); 642 err_alloc: 643 return ERR_PTR(ret); 644 } 645 EXPORT_SYMBOL_GPL(btrtl_initialize); 646 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@xxxxxxxxxxxx
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.config.gz
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