Re: [PATCH v6 5/5] Bluetooth: Add toggle to switch off interleave scan

[kernel test robot <lkp@intel.com>]

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Hi Howard,

Thank you for the patch! Perhaps something to improve:

[auto build test WARNING on bluetooth-next/master]
[also build test WARNING on net-next/master net/master v5.10-rc1 next-20201030]
[cannot apply to bluetooth/master sparc-next/master]
[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/Howard-Chung/Bluetooth-Interleave-with-allowlist-scan/20201030-171045
base:   https://git.kernel.org/pub/scm/linux/kernel/git/bluetooth/bluetooth-next.git master
config: arm64-randconfig-r016-20201030 (attached as .config)
compiler: clang version 12.0.0 (https://github.com/llvm/llvm-project fa5a13276764a2657b3571fa3c57b07ee5d2d661)
reproduce (this is a W=1 build):
        wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
        chmod +x ~/bin/make.cross
        # install arm64 cross compiling tool for clang build
        # apt-get install binutils-aarch64-linux-gnu
        # https://github.com/0day-ci/linux/commit/20ec572cf329be621588cca7150ec51d702fdfac
        git remote add linux-review https://github.com/0day-ci/linux
        git fetch --no-tags linux-review Howard-Chung/Bluetooth-Interleave-with-allowlist-scan/20201030-171045
        git checkout 20ec572cf329be621588cca7150ec51d702fdfac
        # save the attached .config to linux build tree
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross ARCH=arm64 

If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp@intel.com>

All warnings (new ones prefixed by >>):

>> net/bluetooth/mgmt_config.c:202:14: warning: format specifies type 'size_t' (aka 'unsigned long') but the argument has type 'u8' (aka 'unsigned char') [-Wformat]
                                       len, exp_type_len, type);
                                            ^~~~~~~~~~~~
   include/net/bluetooth/bluetooth.h:186:38: note: expanded from macro 'bt_dev_warn'
           BT_WARN("%s: " fmt, (hdev)->name, ##__VA_ARGS__)
                          ~~~                  ^~~~~~~~~~~
   include/net/bluetooth/bluetooth.h:174:47: note: expanded from macro 'BT_WARN'
   #define BT_WARN(fmt, ...)       bt_warn(fmt "\n", ##__VA_ARGS__)
                                           ~~~         ^~~~~~~~~~~
   1 warning generated.

vim +202 net/bluetooth/mgmt_config.c

   127	
   128	int set_def_system_config(struct sock *sk, struct hci_dev *hdev, void *data,
   129				  u16 data_len)
   130	{
   131		u16 buffer_left = data_len;
   132		u8 *buffer = data;
   133	
   134		if (buffer_left < sizeof(struct mgmt_tlv)) {
   135			return mgmt_cmd_status(sk, hdev->id,
   136					       MGMT_OP_SET_DEF_SYSTEM_CONFIG,
   137					       MGMT_STATUS_INVALID_PARAMS);
   138		}
   139	
   140		/* First pass to validate the tlv */
   141		while (buffer_left >= sizeof(struct mgmt_tlv)) {
   142			const u8 len = TO_TLV(buffer)->length;
   143			u8 exp_type_len;
   144			const u16 exp_len = sizeof(struct mgmt_tlv) +
   145					    len;
   146			const u16 type = le16_to_cpu(TO_TLV(buffer)->type);
   147	
   148			if (buffer_left < exp_len) {
   149				bt_dev_warn(hdev, "invalid len left %d, exp >= %d",
   150					    buffer_left, exp_len);
   151	
   152				return mgmt_cmd_status(sk, hdev->id,
   153						MGMT_OP_SET_DEF_SYSTEM_CONFIG,
   154						MGMT_STATUS_INVALID_PARAMS);
   155			}
   156	
   157			/* Please see mgmt-api.txt for documentation of these values */
   158			switch (type) {
   159			case 0x0000:
   160			case 0x0001:
   161			case 0x0002:
   162			case 0x0003:
   163			case 0x0004:
   164			case 0x0005:
   165			case 0x0006:
   166			case 0x0007:
   167			case 0x0008:
   168			case 0x0009:
   169			case 0x000a:
   170			case 0x000b:
   171			case 0x000c:
   172			case 0x000d:
   173			case 0x000e:
   174			case 0x000f:
   175			case 0x0010:
   176			case 0x0011:
   177			case 0x0012:
   178			case 0x0013:
   179			case 0x0014:
   180			case 0x0015:
   181			case 0x0016:
   182			case 0x0017:
   183			case 0x0018:
   184			case 0x0019:
   185			case 0x001a:
   186			case 0x001b:
   187			case 0x001d:
   188			case 0x001e:
   189				exp_type_len = sizeof(u16);
   190				break;
   191			case 0x001f:
   192				exp_type_len = sizeof(u8);
   193				break;
   194			default:
   195				exp_type_len = 0;
   196				bt_dev_warn(hdev, "unsupported parameter %u", type);
   197				break;
   198			}
   199	
   200			if (exp_type_len && len != exp_type_len) {
   201				bt_dev_warn(hdev, "invalid length %d, exp %zu for type %d",
 > 202					    len, exp_type_len, type);
   203	
   204				return mgmt_cmd_status(sk, hdev->id,
   205					MGMT_OP_SET_DEF_SYSTEM_CONFIG,
   206					MGMT_STATUS_INVALID_PARAMS);
   207			}
   208	
   209			buffer_left -= exp_len;
   210			buffer += exp_len;
   211		}
   212	
   213		buffer_left = data_len;
   214		buffer = data;
   215		while (buffer_left >= sizeof(struct mgmt_tlv)) {
   216			const u8 len = TO_TLV(buffer)->length;
   217			const u16 exp_len = sizeof(struct mgmt_tlv) +
   218					    len;
   219			const u16 type = le16_to_cpu(TO_TLV(buffer)->type);
   220	
   221			switch (type) {
   222			case 0x0000:
   223				hdev->def_page_scan_type = TLV_GET_LE16(buffer);
   224				break;
   225			case 0x0001:
   226				hdev->def_page_scan_int = TLV_GET_LE16(buffer);
   227				break;
   228			case 0x0002:
   229				hdev->def_page_scan_window = TLV_GET_LE16(buffer);
   230				break;
   231			case 0x0003:
   232				hdev->def_inq_scan_type = TLV_GET_LE16(buffer);
   233				break;
   234			case 0x0004:
   235				hdev->def_inq_scan_int = TLV_GET_LE16(buffer);
   236				break;
   237			case 0x0005:
   238				hdev->def_inq_scan_window = TLV_GET_LE16(buffer);
   239				break;
   240			case 0x0006:
   241				hdev->def_br_lsto = TLV_GET_LE16(buffer);
   242				break;
   243			case 0x0007:
   244				hdev->def_page_timeout = TLV_GET_LE16(buffer);
   245				break;
   246			case 0x0008:
   247				hdev->sniff_min_interval = TLV_GET_LE16(buffer);
   248				break;
   249			case 0x0009:
   250				hdev->sniff_max_interval = TLV_GET_LE16(buffer);
   251				break;
   252			case 0x000a:
   253				hdev->le_adv_min_interval = TLV_GET_LE16(buffer);
   254				break;
   255			case 0x000b:
   256				hdev->le_adv_max_interval = TLV_GET_LE16(buffer);
   257				break;
   258			case 0x000c:
   259				hdev->def_multi_adv_rotation_duration =
   260								   TLV_GET_LE16(buffer);
   261				break;
   262			case 0x000d:
   263				hdev->le_scan_interval = TLV_GET_LE16(buffer);
   264				break;
   265			case 0x000e:
   266				hdev->le_scan_window = TLV_GET_LE16(buffer);
   267				break;
   268			case 0x000f:
   269				hdev->le_scan_int_suspend = TLV_GET_LE16(buffer);
   270				break;
   271			case 0x0010:
   272				hdev->le_scan_window_suspend = TLV_GET_LE16(buffer);
   273				break;
   274			case 0x0011:
   275				hdev->le_scan_int_discovery = TLV_GET_LE16(buffer);
   276				break;
   277			case 0x00012:
   278				hdev->le_scan_window_discovery = TLV_GET_LE16(buffer);
   279				break;
   280			case 0x00013:
   281				hdev->le_scan_int_adv_monitor = TLV_GET_LE16(buffer);
   282				break;
   283			case 0x00014:
   284				hdev->le_scan_window_adv_monitor = TLV_GET_LE16(buffer);
   285				break;
   286			case 0x00015:
   287				hdev->le_scan_int_connect = TLV_GET_LE16(buffer);
   288				break;
   289			case 0x00016:
   290				hdev->le_scan_window_connect = TLV_GET_LE16(buffer);
   291				break;
   292			case 0x00017:
   293				hdev->le_conn_min_interval = TLV_GET_LE16(buffer);
   294				break;
   295			case 0x00018:
   296				hdev->le_conn_max_interval = TLV_GET_LE16(buffer);
   297				break;
   298			case 0x00019:
   299				hdev->le_conn_latency = TLV_GET_LE16(buffer);
   300				break;
   301			case 0x0001a:
   302				hdev->le_supv_timeout = TLV_GET_LE16(buffer);
   303				break;
   304			case 0x0001b:
   305				hdev->def_le_autoconnect_timeout =
   306						msecs_to_jiffies(TLV_GET_LE16(buffer));
   307				break;
   308			case 0x0001d:
   309				hdev->advmon_allowlist_duration = TLV_GET_LE16(buffer);
   310				break;
   311			case 0x0001e:
   312				hdev->advmon_no_filter_duration = TLV_GET_LE16(buffer);
   313				break;
   314			case 0x0001f:
   315				hdev->enable_advmon_interleave_scan = TLV_GET_LE8(buffer);
   316				break;
   317			default:
   318				bt_dev_warn(hdev, "unsupported parameter %u", type);
   319				break;
   320			}
   321	
   322			buffer_left -= exp_len;
   323			buffer += exp_len;
   324		}
   325	
   326		return mgmt_cmd_complete(sk, hdev->id,
   327					 MGMT_OP_SET_DEF_SYSTEM_CONFIG, 0, NULL, 0);
   328	}
   329	

---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org

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