tree: https://git.kernel.org/pub/scm/linux/kernel/git/bluetooth/bluetooth-next.git master head: 46605a271114f1243c807a55c607271c81e662d2 commit: 4c54bf2b093bb2ae95e756342646d868e8101cb4 [5/14] Bluetooth: Add get/set device flags mgmt op config: c6x-randconfig-s032-20200618 (attached as .config) compiler: c6x-elf-gcc (GCC) 9.3.0 reproduce: # apt-get install sparse # sparse version: v0.6.2-rc1-10-gc17b1b06-dirty git checkout 4c54bf2b093bb2ae95e756342646d868e8101cb4 # save the attached .config to linux build tree make W=1 C=1 ARCH=c6x CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__' 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/mgmt.c:3605:29: sparse: sparse: restricted __le16 degrades to integer vim +3932 net/bluetooth/mgmt.c 3921 3922 static int set_device_flags(struct sock *sk, struct hci_dev *hdev, void *data, 3923 u16 len) 3924 { 3925 struct mgmt_cp_set_device_flags *cp = data; 3926 struct bdaddr_list_with_flags *br_params; 3927 struct hci_conn_params *params; 3928 u8 status = MGMT_STATUS_INVALID_PARAMS; 3929 u32 supported_flags = SUPPORTED_DEVICE_FLAGS(); 3930 u32 current_flags = __le32_to_cpu(cp->current_flags); 3931 3933 &cp->addr.bdaddr, cp->addr.type, 3934 __le32_to_cpu(current_flags)); 3935 3936 if ((supported_flags | current_flags) != supported_flags) { 3937 bt_dev_warn(hdev, "Bad flag given (0x%x) vs supported (0x%0x)", 3938 current_flags, supported_flags); 3939 goto done; 3940 } 3941 3942 if (cp->addr.type == BDADDR_BREDR) { 3943 br_params = hci_bdaddr_list_lookup_with_flags(&hdev->whitelist, 3944 &cp->addr.bdaddr, 3945 cp->addr.type); 3946 3947 if (br_params) { 3948 br_params->current_flags = current_flags; 3949 status = MGMT_STATUS_SUCCESS; 3950 } else { 3951 bt_dev_warn(hdev, "No such BR/EDR device %pMR (0x%x)", 3952 &cp->addr.bdaddr, cp->addr.type); 3953 } 3954 } else { 3955 params = hci_conn_params_lookup(hdev, &cp->addr.bdaddr, 3956 le_addr_type(cp->addr.type)); 3957 if (params) { 3958 params->current_flags = current_flags; 3959 status = MGMT_STATUS_SUCCESS; 3960 } else { 3961 bt_dev_warn(hdev, "No such LE device %pMR (0x%x)", 3962 &cp->addr.bdaddr, 3963 le_addr_type(cp->addr.type)); 3964 } 3965 } 3966 3967 done: 3968 if (status == MGMT_STATUS_SUCCESS) 3969 device_flags_changed(sk, hdev, &cp->addr.bdaddr, cp->addr.type, 3970 supported_flags, current_flags); 3971 3972 return mgmt_cmd_complete(sk, hdev->id, MGMT_OP_SET_DEVICE_FLAGS, status, 3973 &cp->addr, sizeof(cp->addr)); 3974 } 3975 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org