Hi Luiz, I love your patch! Yet something to improve: [auto build test ERROR on bluetooth-next/master] [also build test ERROR on v5.12-rc2 next-20210310] [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/Luiz-Augusto-von-Dentz/Bluetooth... base: https://git.kernel.org/pub/scm/linux/kernel/git/bluetooth/bluetooth-next.git master config: arc-randconfig-r001-20210309 (attached as .config) compiler: arceb-elf-gcc (GCC) 9.3.0 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/1c91aff112229ea99f1b03e5f547ad680... git remote add linux-review https://github.com/0day-ci/linux git fetch --no-tags linux-review Luiz-Augusto-von-Dentz/Bluetooth-SMP-Fail-if-remote-and-local-public-keys-are-identical/20210311-061654 git checkout 1c91aff112229ea99f1b03e5f547ad6804d9cfb7 # save the attached .config to linux build tree COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross ARCH=arc If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp(a)intel.com&gt; All errors (new ones prefixed by >>): In file included from net/bluetooth/smp.c:31: net/bluetooth/smp.c: In function 'run_selftests': 3741 | bt_dev_err(hdev, "debug_key test failed"); | ^~~~ include/net/bluetooth/bluetooth.h:175:45: note: in definition of macro 'BT_ERR' 175 | #define BT_ERR(fmt, ...) bt_err(fmt "\n", ##__VA_ARGS__) | ^~~~~~~~~~~ net/bluetooth/smp.c:3741:3: note: in expansion of macro 'bt_dev_err' 3741 | bt_dev_err(hdev, "debug_key test failed"); | ^~~~~~~~~~ net/bluetooth/smp.c:3741:14: note: each undeclared identifier is reported only once for each function it appears in 3741 | bt_dev_err(hdev, "debug_key test failed"); | ^~~~ include/net/bluetooth/bluetooth.h:175:45: note: in definition of macro 'BT_ERR' 175 | #define BT_ERR(fmt, ...) bt_err(fmt "\n", ##__VA_ARGS__) | ^~~~~~~~~~~ net/bluetooth/smp.c:3741:3: note: in expansion of macro 'bt_dev_err' 3741 | bt_dev_err(hdev, "debug_key test failed"); | ^~~~~~~~~~ vim +3741 net/bluetooth/smp.c 3729 3730 static int __init run_selftests(struct crypto_shash *tfm_cmac, 3731 struct crypto_kpp *tfm_ecdh) 3732 { 3733 ktime_t calltime, delta, rettime; 3734 unsigned long long duration; 3735 int err; 3736 3737 calltime = ktime_get(); 3738 3739 err = test_debug_key(tfm_ecdh); 3740 if (err) { 3742 goto done; 3743 } 3744 3745 err = test_ah(); 3746 if (err) { 3747 bt_dev_err(hdev, "smp_ah test failed"); 3748 goto done; 3749 } 3750 3751 err = test_c1(); 3752 if (err) { 3753 bt_dev_err(hdev, "smp_c1 test failed"); 3754 goto done; 3755 } 3756 3757 err = test_s1(); 3758 if (err) { 3759 bt_dev_err(hdev, "smp_s1 test failed"); 3760 goto done; 3761 } 3762 3763 err = test_f4(tfm_cmac); 3764 if (err) { 3765 bt_dev_err(hdev, "smp_f4 test failed"); 3766 goto done; 3767 } 3768 3769 err = test_f5(tfm_cmac); 3770 if (err) { 3771 bt_dev_err(hdev, "smp_f5 test failed"); 3772 goto done; 3773 } 3774 3775 err = test_f6(tfm_cmac); 3776 if (err) { 3777 bt_dev_err(hdev, "smp_f6 test failed"); 3778 goto done; 3779 } 3780 3781 err = test_g2(tfm_cmac); 3782 if (err) { 3783 bt_dev_err(hdev, "smp_g2 test failed"); 3784 goto done; 3785 } 3786 3787 err = test_h6(tfm_cmac); 3788 if (err) { 3789 bt_dev_err(hdev, "smp_h6 test failed"); 3790 goto done; 3791 } 3792 3793 rettime = ktime_get(); 3794 delta = ktime_sub(rettime, calltime); 3795 duration = (unsigned long long) ktime_to_ns(delta) >> 10; 3796 3797 BT_INFO("SMP test passed in %llu usecs", duration); 3798 3799 done: 3800 if (!err) 3801 snprintf(test_smp_buffer, sizeof(test_smp_buffer), 3802 "PASS (%llu usecs)\n", duration); 3803 else 3804 snprintf(test_smp_buffer, sizeof(test_smp_buffer), "FAIL\n"); 3805 3806 debugfs_create_file("selftest_smp", 0444, bt_debugfs, NULL, 3807 &test_smp_fops); 3808 3809 return err; 3810 } 3811 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org