Hi Luiz, kernel test robot noticed the following build errors: [auto build test ERROR on linux-next/master] [also build test ERROR on linus/master v6.5-rc7] [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-hci_core-Fix-missing-instances-using-HCI_MAX_AD_LENGTH/20230821-102220 base: linux-next/master patch link: https://lore.kernel.org/r/20230818212211.3207580-1-luiz.dentz%40gmail.com patch subject: [PATCH] Bluetooth: hci_core: Fix missing instances using HCI_MAX_AD_LENGTH config: i386-buildonly-randconfig-002-20230821 (https://download.01.org/0day-ci/archive/20230821/202308212004.EXsdDWkd-lkp@xxxxxxxxx/config) compiler: clang version 16.0.4 (https://github.com/llvm/llvm-project.git ae42196bc493ffe877a7e3dff8be32035dea4d07) reproduce: (https://download.01.org/0day-ci/archive/20230821/202308212004.EXsdDWkd-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/202308212004.EXsdDWkd-lkp@xxxxxxxxx/ All errors (new ones prefixed by >>): >> net/bluetooth/eir.c:36:19: error: use of undeclared identifier 'dev'; did you mean 'hdev'? if ((max_adv_len(dev) - ad_len) < HCI_MAX_SHORT_NAME_LENGTH + 3) ^~~ hdev include/net/bluetooth/hci_core.h:1854:19: note: expanded from macro 'max_adv_len' (ext_adv_capable(dev) ? HCI_MAX_EXT_AD_LENGTH : HCI_MAX_AD_LENGTH) ^ include/net/bluetooth/hci_core.h:1850:33: note: expanded from macro 'ext_adv_capable' #define ext_adv_capable(dev) (((dev)->le_features[1] & HCI_LE_EXT_ADV)) ^ include/linux/compiler.h:55:47: note: expanded from macro 'if' #define if(cond, ...) if ( __trace_if_var( !!(cond , ## __VA_ARGS__) ) ) ^ include/linux/compiler.h:57:52: note: expanded from macro '__trace_if_var' #define __trace_if_var(cond) (__builtin_constant_p(cond) ? (cond) : __trace_if_value(cond)) ^ net/bluetooth/eir.c:30:42: note: 'hdev' declared here u8 eir_append_local_name(struct hci_dev *hdev, u8 *ptr, u8 ad_len) ^ >> net/bluetooth/eir.c:36:19: error: use of undeclared identifier 'dev'; did you mean 'hdev'? if ((max_adv_len(dev) - ad_len) < HCI_MAX_SHORT_NAME_LENGTH + 3) ^~~ hdev include/net/bluetooth/hci_core.h:1854:19: note: expanded from macro 'max_adv_len' (ext_adv_capable(dev) ? HCI_MAX_EXT_AD_LENGTH : HCI_MAX_AD_LENGTH) ^ include/net/bluetooth/hci_core.h:1850:33: note: expanded from macro 'ext_adv_capable' #define ext_adv_capable(dev) (((dev)->le_features[1] & HCI_LE_EXT_ADV)) ^ include/linux/compiler.h:55:47: note: expanded from macro 'if' #define if(cond, ...) if ( __trace_if_var( !!(cond , ## __VA_ARGS__) ) ) ^ include/linux/compiler.h:57:61: note: expanded from macro '__trace_if_var' #define __trace_if_var(cond) (__builtin_constant_p(cond) ? (cond) : __trace_if_value(cond)) ^ net/bluetooth/eir.c:30:42: note: 'hdev' declared here u8 eir_append_local_name(struct hci_dev *hdev, u8 *ptr, u8 ad_len) ^ >> net/bluetooth/eir.c:36:19: error: use of undeclared identifier 'dev'; did you mean 'hdev'? if ((max_adv_len(dev) - ad_len) < HCI_MAX_SHORT_NAME_LENGTH + 3) ^~~ hdev include/net/bluetooth/hci_core.h:1854:19: note: expanded from macro 'max_adv_len' (ext_adv_capable(dev) ? HCI_MAX_EXT_AD_LENGTH : HCI_MAX_AD_LENGTH) ^ include/net/bluetooth/hci_core.h:1850:33: note: expanded from macro 'ext_adv_capable' #define ext_adv_capable(dev) (((dev)->le_features[1] & HCI_LE_EXT_ADV)) ^ include/linux/compiler.h:55:47: note: expanded from macro 'if' #define if(cond, ...) if ( __trace_if_var( !!(cond , ## __VA_ARGS__) ) ) ^ include/linux/compiler.h:57:86: note: expanded from macro '__trace_if_var' #define __trace_if_var(cond) (__builtin_constant_p(cond) ? (cond) : __trace_if_value(cond)) ^ include/linux/compiler.h:68:3: note: expanded from macro '__trace_if_value' (cond) ? \ ^ net/bluetooth/eir.c:30:42: note: 'hdev' declared here u8 eir_append_local_name(struct hci_dev *hdev, u8 *ptr, u8 ad_len) ^ 3 errors generated. vim +36 net/bluetooth/eir.c 29 30 u8 eir_append_local_name(struct hci_dev *hdev, u8 *ptr, u8 ad_len) 31 { 32 size_t short_len; 33 size_t complete_len; 34 35 /* no space left for name (+ NULL + type + len) */ > 36 if ((max_adv_len(dev) - ad_len) < HCI_MAX_SHORT_NAME_LENGTH + 3) 37 return ad_len; 38 39 /* use complete name if present and fits */ 40 complete_len = strnlen(hdev->dev_name, sizeof(hdev->dev_name)); 41 if (complete_len && complete_len <= HCI_MAX_SHORT_NAME_LENGTH) 42 return eir_append_name(ptr, ad_len, EIR_NAME_COMPLETE, 43 hdev->dev_name, complete_len + 1); 44 45 /* use short name if present */ 46 short_len = strnlen(hdev->short_name, sizeof(hdev->short_name)); 47 if (short_len) 48 return eir_append_name(ptr, ad_len, EIR_NAME_SHORT, 49 hdev->short_name, 50 short_len == HCI_MAX_SHORT_NAME_LENGTH ? 51 short_len : short_len + 1); 52 53 /* use shortened full name if present, we already know that name 54 * is longer then HCI_MAX_SHORT_NAME_LENGTH 55 */ 56 if (complete_len) 57 return eir_append_name(ptr, ad_len, EIR_NAME_SHORT, 58 hdev->dev_name, 59 HCI_MAX_SHORT_NAME_LENGTH); 60 61 return ad_len; 62 } 63 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki