Hi Colin, Thank you for the patch! Yet something to improve: [auto build test ERROR on linus/master] [also build test ERROR on v5.11-rc7 next-20210125] [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/Colin-King/net-hns3-Fix-uninitia... base: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git e0756cfc7d7cd08c98a53b6009c091a3f6a50be6 config: ia64-allmodconfig (attached as .config) compiler: ia64-linux-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/e51cd2716c8b5c2ba8daf480c7852c6b2... git remote add linux-review https://github.com/0day-ci/linux git fetch --no-tags linux-review Colin-King/net-hns3-Fix-uninitialized-return-from-function/20210210-233553 git checkout e51cd2716c8b5c2ba8daf480c7852c6b2feaac82 # save the attached .config to linux build tree COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross ARCH=ia64 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 >>): drivers/net/ethernet/hisilicon/hns3/hns3_enet.c: In function 'hns3_reset_notify_uninit_enet': 4684 | ret = hns3_uninit_all_ring(priv); | ^~~ | net drivers/net/ethernet/hisilicon/hns3/hns3_enet.c:4684:2: note: each undeclared identifier is reported only once for each function it appears in Kconfig warnings: (for reference only) WARNING: unmet direct dependencies detected for FRAME_POINTER Depends on DEBUG_KERNEL && (M68K || UML || SUPERH) || ARCH_WANT_FRAME_POINTERS Selected by - FAULT_INJECTION_STACKTRACE_FILTER && FAULT_INJECTION_DEBUG_FS && STACKTRACE_SUPPORT && !X86_64 && !MIPS && !PPC && !S390 && !MICROBLAZE && !ARM && !ARC && !X86 vim +4684 drivers/net/ethernet/hisilicon/hns3/hns3_enet.c bb6b94a896d4dd drivers/net/ethernet/hisilicon/hns3/hns3pf/hns3_enet.c Lipeng 2017-11-02 4662 bb6b94a896d4dd drivers/net/ethernet/hisilicon/hns3/hns3pf/hns3_enet.c Lipeng 2017-11-02 4663 static int hns3_reset_notify_uninit_enet(struct hnae3_handle *handle) bb6b94a896d4dd drivers/net/ethernet/hisilicon/hns3/hns3pf/hns3_enet.c Lipeng 2017-11-02 4664 { bb6b94a896d4dd drivers/net/ethernet/hisilicon/hns3/hns3pf/hns3_enet.c Lipeng 2017-11-02 4665 struct net_device *netdev = handle->kinfo.netdev; bb6b94a896d4dd drivers/net/ethernet/hisilicon/hns3/hns3pf/hns3_enet.c Lipeng 2017-11-02 4666 struct hns3_nic_priv *priv = netdev_priv(netdev); bb6b94a896d4dd drivers/net/ethernet/hisilicon/hns3/hns3pf/hns3_enet.c Lipeng 2017-11-02 4667 1eeb3367897a3f drivers/net/ethernet/hisilicon/hns3/hns3_enet.c Huazhong Tan 2019-04-04 4668 if (!test_and_clear_bit(HNS3_NIC_STATE_INITED, &priv->state)) { 814da63c557726 drivers/net/ethernet/hisilicon/hns3/hns3_enet.c Huazhong Tan 2018-11-07 4669 netdev_warn(netdev, "already uninitialized\n"); 814da63c557726 drivers/net/ethernet/hisilicon/hns3/hns3_enet.c Huazhong Tan 2018-11-07 4670 return 0; 814da63c557726 drivers/net/ethernet/hisilicon/hns3/hns3_enet.c Huazhong Tan 2018-11-07 4671 } 814da63c557726 drivers/net/ethernet/hisilicon/hns3/hns3_enet.c Huazhong Tan 2018-11-07 4672 08a100689d4baf drivers/net/ethernet/hisilicon/hns3/hns3_enet.c Yonglong Liu 2020-01-04 4673 hns3_free_rx_cpu_rmap(netdev); 08a100689d4baf drivers/net/ethernet/hisilicon/hns3/hns3_enet.c Yonglong Liu 2020-01-04 4674 hns3_nic_uninit_irq(priv); f96315f2f17e7b drivers/net/ethernet/hisilicon/hns3/hns3_enet.c Huazhong Tan 2019-06-28 4675 hns3_clear_all_ring(handle, true); f96315f2f17e7b drivers/net/ethernet/hisilicon/hns3/hns3_enet.c Huazhong Tan 2019-06-28 4676 hns3_reset_tx_queue(priv->ae_handle); bb6b94a896d4dd drivers/net/ethernet/hisilicon/hns3/hns3pf/hns3_enet.c Lipeng 2017-11-02 4677 e215278548f9ea drivers/net/ethernet/hisilicon/hns3/hns3_enet.c Huazhong Tan 2019-01-31 4678 hns3_nic_uninit_vector_data(priv); bb6b94a896d4dd drivers/net/ethernet/hisilicon/hns3/hns3pf/hns3_enet.c Lipeng 2017-11-02 4679 e4fd75022c24eb drivers/net/ethernet/hisilicon/hns3/hns3_enet.c Huazhong Tan 2018-09-26 4680 hns3_store_coal(priv); e4fd75022c24eb drivers/net/ethernet/hisilicon/hns3/hns3_enet.c Huazhong Tan 2018-09-26 4681 08a100689d4baf drivers/net/ethernet/hisilicon/hns3/hns3_enet.c Yonglong Liu 2020-01-04 4682 hns3_nic_dealloc_vector_data(priv); 862d969a3a4dcd drivers/net/ethernet/hisilicon/hns3/hns3_enet.c Huazhong Tan 2018-11-09 4683 bb6b94a896d4dd drivers/net/ethernet/hisilicon/hns3/hns3pf/hns3_enet.c Lipeng 2017-11-02 @4684 ret = hns3_uninit_all_ring(priv); bb6b94a896d4dd drivers/net/ethernet/hisilicon/hns3/hns3pf/hns3_enet.c Lipeng 2017-11-02 4685 if (ret) bb6b94a896d4dd drivers/net/ethernet/hisilicon/hns3/hns3pf/hns3_enet.c Lipeng 2017-11-02 4686 netdev_err(netdev, "uninit ring error\n"); bb6b94a896d4dd drivers/net/ethernet/hisilicon/hns3/hns3pf/hns3_enet.c Lipeng 2017-11-02 4687 2c9dd668914bb9 drivers/net/ethernet/hisilicon/hns3/hns3_enet.c Huazhong Tan 2019-01-18 4688 hns3_put_ring_config(priv); 2c9dd668914bb9 drivers/net/ethernet/hisilicon/hns3/hns3_enet.c Huazhong Tan 2019-01-18 4689 e51cd2716c8b5c drivers/net/ethernet/hisilicon/hns3/hns3_enet.c Colin Ian King 2021-02-10 4690 return 0; bb6b94a896d4dd drivers/net/ethernet/hisilicon/hns3/hns3pf/hns3_enet.c Lipeng 2017-11-02 4691 } bb6b94a896d4dd drivers/net/ethernet/hisilicon/hns3/hns3pf/hns3_enet.c Lipeng 2017-11-02 4692 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org