Hi Kiran, Thank you for the patch! Perhaps something to improve: [auto build test WARNING on bluetooth-next/master] [also build test WARNING on v5.16-rc1 next-20211115] [cannot apply to bluetooth/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/Kiran-K/Bluetooth-Refactor-code-... base: https://git.kernel.org/pub/scm/linux/kernel/git/bluetooth/bluetooth-next.git master config: h8300-randconfig-s031-20211115 (attached as .config) compiler: h8300-linux-gcc (GCC) 11.2.0 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: v0.6.4-dirty # https://github.com/0day-ci/linux/commit/0a4eb6e6849d95c7565face4fc18ef652... git remote add linux-review https://github.com/0day-ci/linux git fetch --no-tags linux-review Kiran-K/Bluetooth-Refactor-code-to-read-supported-codecs-in-getsockopt/20211115-144640 git checkout 0a4eb6e6849d95c7565face4fc18ef652bacad11 # save the attached .config to linux build tree COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-11.2.0 make.cross C=1 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__' ARCH=h8300 If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp(a)intel.com&gt; sparse warnings: (new ones prefixed by >>) net/bluetooth/hci_event.c:1470:38: sparse: expected unsigned short [usertype] dcid net/bluetooth/hci_event.c:1470:38: sparse: got restricted __le16 [usertype] dcid vim +1470 net/bluetooth/hci_event.c 1447 1448 static void hci_cc_msft_avdtp_open(struct hci_dev *hdev, struct sk_buff *skb) 1449 { 1450 struct msft_rp_avdtp_open *rp; 1451 struct msft_cp_avdtp_open *sent; 1452 struct hci_conn *hconn; 1453 struct l2cap_conn *conn; 1454 1455 if (skb->len < sizeof(*rp)) 1456 return; 1457 1458 rp = (void *)skb->data; 1459 1460 sent = hci_sent_cmd_data(hdev, HCI_MSFT_AVDTP_CMD); 1461 1462 hconn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(sent->handle)); 1463 1464 if (!hconn) 1465 return; 1466 1467 conn = hconn->l2cap_data; 1468 1469 /* wake up the task waiting on avdtp handle */ 1471 rp->status ? 0 : __le16_to_cpu(rp->avdtp_handle)); 1472 } 1473 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org