Hi Manish, Thank you for the patch! Perhaps something to improve: [auto build test WARNING on bluetooth-next/master] [also build test WARNING on next-20211118] [cannot apply to bluetooth/master v5.16-rc1] [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/Manish-Mandlik/bluetooth-Handle-... base: https://git.kernel.org/pub/scm/linux/kernel/git/bluetooth/bluetooth-next.git master config: m68k-randconfig-r016-20211121 (attached as .config) compiler: m68k-linux-gcc (GCC) 11.2.0 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 # https://github.com/0day-ci/linux/commit/9d49f17ae7d7c8f17e51a8d1e0fece8f7... git remote add linux-review https://github.com/0day-ci/linux git fetch --no-tags linux-review Manish-Mandlik/bluetooth-Handle-MSFT-Monitor-Device-Event/20211121-004127 git checkout 9d49f17ae7d7c8f17e51a8d1e0fece8f76cc2dd6 # save the attached .config to linux build tree COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-11.2.0 make.cross ARCH=m68k If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp(a)intel.com&gt; All warnings (new ones prefixed by >>): 9542 | void mgmt_adv_monitor_device_found(struct hci_dev *hdev, | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~ vim +/mgmt_adv_monitor_device_found +9542 net/bluetooth/mgmt.c 9541 9543 struct mgmt_ev_device_found *ev, 9544 size_t ev_size, bool discovering) 9545 { 9546 char buf[518]; 9547 struct mgmt_ev_adv_monitor_device_found *advmon_ev = (void *)buf; 9548 size_t advmon_ev_size; 9549 struct monitored_device *dev, *tmp; 9550 bool matched = false; 9551 bool notified = false; 9552 9553 /* Make sure that the buffer is big enough */ 9554 advmon_ev_size = ev_size + (sizeof(*advmon_ev) - sizeof(*ev)); 9555 if (advmon_ev_size > sizeof(buf)) 9556 return; 9557 9558 /* ADV_MONITOR_DEVICE_FOUND is similar to DEVICE_FOUND event except 9559 * that it also has 'monitor_handle'. Make a copy of DEVICE_FOUND and 9560 * store monitor_handle of the matched monitor. 9561 */ 9562 memcpy(&advmon_ev->addr, ev, ev_size); 9563 9564 hdev->advmon_pend_notify = false; 9565 9566 list_for_each_entry_safe(dev, tmp, &hdev->monitored_devices, list) { 9567 if (!bacmp(&dev->bdaddr, &advmon_ev->addr.bdaddr)) { 9568 matched = true; 9569 9570 if (!dev->notified) { 9571 advmon_ev->monitor_handle = 9572 cpu_to_le16(dev->handle); 9573 9574 mgmt_event(MGMT_EV_ADV_MONITOR_DEVICE_FOUND, 9575 hdev, advmon_ev, advmon_ev_size, 9576 NULL); 9577 9578 notified = true; 9579 dev->notified = true; 9580 } 9581 } 9582 9583 if (!dev->notified) 9584 hdev->advmon_pend_notify = true; 9585 } 9586 9587 if (!discovering && 9588 ((matched && !notified) || !msft_monitor_supported(hdev))) { 9589 /* Handle 0 indicates that we are not active scanning and this 9590 * is a subsequent advertisement report for an already matched 9591 * Advertisement Monitor or the controller offloading support 9592 * is not available. 9593 */ 9594 advmon_ev->monitor_handle = 0; 9595 9596 mgmt_event(MGMT_EV_ADV_MONITOR_DEVICE_FOUND, hdev, advmon_ev, 9597 advmon_ev_size, NULL); 9598 } 9599 } 9600 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org