Hi Daniel, Thank you for the patch! Perhaps something to improve: [auto build test WARNING on bluetooth-next/master] [also build test WARNING on next-20200916] [cannot apply to net-next/master net/master v5.9-rc5] [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/Daniel-Winkler/Bluetooth-Add-new-MGMT-interface-for-advertising-add/20200917-042141 base: https://git.kernel.org/pub/scm/linux/kernel/git/bluetooth/bluetooth-next.git master config: x86_64-randconfig-s022-20200917 (attached as .config) compiler: gcc-9 (Debian 9.3.0-15) 9.3.0 reproduce: # apt-get install sparse # sparse version: v0.6.2-201-g24bdaac6-dirty # save the attached .config to linux build tree make W=1 C=1 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__' ARCH=x86_64 If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp@xxxxxxxxx> sparse warnings: (new ones prefixed by >>) net/bluetooth/mgmt.c:3647:29: sparse: sparse: restricted __le16 degrades to integer net/bluetooth/mgmt.c:4104:9: sparse: sparse: cast to restricted __le32 >> net/bluetooth/mgmt.c:4386:27: sparse: sparse: incorrect type in assignment (different base types) @@ expected restricted __le16 [usertype] type @@ got int @@ >> net/bluetooth/mgmt.c:4386:27: sparse: expected restricted __le16 [usertype] type >> net/bluetooth/mgmt.c:4386:27: sparse: got int # https://github.com/0day-ci/linux/commit/171d4465b1f2811c76267c2f0acbcd0f77b5e99a git remote add linux-review https://github.com/0day-ci/linux git fetch --no-tags linux-review Daniel-Winkler/Bluetooth-Add-new-MGMT-interface-for-advertising-add/20200917-042141 git checkout 171d4465b1f2811c76267c2f0acbcd0f77b5e99a vim +4386 net/bluetooth/mgmt.c 4360 4361 static int read_controller_cap(struct sock *sk, struct hci_dev *hdev, 4362 void *data, u16 len) 4363 { 4364 u8 i = 0; 4365 4366 /* This command will return its data in TVL format. Currently we only 4367 * wish to include LE tx power parameters, so this struct can be given 4368 * a fixed size as data types are not changing. 4369 */ 4370 struct { 4371 struct mgmt_tlv entry; 4372 __s8 value; 4373 } __packed cap[2]; 4374 4375 BT_DBG("request for %s", hdev->name); 4376 memset(cap, 0, sizeof(cap)); 4377 4378 hci_dev_lock(hdev); 4379 4380 /* Append LE tx power bounds */ 4381 cap[i].entry.type = MGMT_CAP_LE_TX_PWR_MIN; 4382 cap[i].entry.length = sizeof(__s8); 4383 cap[i].value = hdev->min_le_tx_power; 4384 i++; 4385 > 4386 cap[i].entry.type = MGMT_CAP_LE_TX_PWR_MAX; 4387 cap[i].entry.length = sizeof(__s8); 4388 cap[i].value = hdev->max_le_tx_power; 4389 i++; 4390 4391 hci_dev_unlock(hdev); 4392 4393 return mgmt_cmd_complete(sk, hdev->id, MGMT_OP_READ_CONTROLLER_CAP, 4394 MGMT_STATUS_SUCCESS, cap, sizeof(cap)); 4395 } 4396 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@xxxxxxxxxxxx
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