tree: https://git.kernel.org/pub/scm/linux/kernel/git/helgaas/pci.git pci/edr head: 3a4c9f97543f0dbf580dd3646164e829ba08e600 commit: d9dbf5828770b236fcae3cc866d844fe360174d0 [4/10] PCI/ERR: Remove service dependency in pcie_do_recovery() config: x86_64-defconfig (attached as .config) compiler: clang version 11.0.0 (https://github.com/llvm/llvm-project 0fca766458da04bbc6d33b3f9ecd57e615c556c1) reproduce: wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross chmod +x ~/bin/make.cross git checkout d9dbf5828770b236fcae3cc866d844fe360174d0 # save the attached .config to linux build tree COMPILER=clang make.cross ARCH=x86_64 If you fix the issue, kindly add following tag Reported-by: kbuild test robot All errors (new ones prefixed by >>): >> drivers/pci/pcie/err.c:168:28: error: use of undeclared identifier 'service' status = reset_link(dev, service); ^ 1 error generated. vim +/service +168 drivers/pci/pcie/err.c 2e28bc84cf6eec Oza Pawandeep 2018-05-17 148 d9dbf5828770b2 Kuppuswamy Sathyanarayanan 2020-03-23 149 void pcie_do_recovery(struct pci_dev *dev, d9dbf5828770b2 Kuppuswamy Sathyanarayanan 2020-03-23 150 enum pci_channel_state state, d9dbf5828770b2 Kuppuswamy Sathyanarayanan 2020-03-23 151 pci_ers_result_t (*reset_link)(struct pci_dev *pdev)) 2e28bc84cf6eec Oza Pawandeep 2018-05-17 152 { 542aeb9c8f930e Keith Busch 2018-09-20 153 pci_ers_result_t status = PCI_ERS_RESULT_CAN_RECOVER; 542aeb9c8f930e Keith Busch 2018-09-20 154 struct pci_bus *bus; 2e28bc84cf6eec Oza Pawandeep 2018-05-17 155 bfcb79fca19d26 Keith Busch 2018-09-20 156 /* bfcb79fca19d26 Keith Busch 2018-09-20 157 * Error recovery runs on all subordinates of the first downstream port. bfcb79fca19d26 Keith Busch 2018-09-20 158 * If the downstream port detected the error, it is cleared at the end. bfcb79fca19d26 Keith Busch 2018-09-20 159 */ bfcb79fca19d26 Keith Busch 2018-09-20 160 if (!(pci_pcie_type(dev) == PCI_EXP_TYPE_ROOT_PORT || bfcb79fca19d26 Keith Busch 2018-09-20 161 pci_pcie_type(dev) == PCI_EXP_TYPE_DOWNSTREAM)) bfcb79fca19d26 Keith Busch 2018-09-20 162 dev = dev->bus->self; 542aeb9c8f930e Keith Busch 2018-09-20 163 bus = dev->subordinate; bfcb79fca19d26 Keith Busch 2018-09-20 164 542aeb9c8f930e Keith Busch 2018-09-20 165 pci_dbg(dev, "broadcast error_detected message\n"); b5dfbeacf74865 Kuppuswamy Sathyanarayanan 2020-03-27 166 if (state == pci_channel_io_frozen) { 542aeb9c8f930e Keith Busch 2018-09-20 167 pci_walk_bus(bus, report_frozen_detected, &status); 6d2c89441571ea Kuppuswamy Sathyanarayanan 2020-03-23 @168 status = reset_link(dev, service); :::::: The code at line 168 was first introduced by commit :::::: 6d2c89441571ea534d6240f7724f518936c44f8d PCI/ERR: Update error status after reset_link() :::::: TO: Kuppuswamy Sathyanarayanan :::::: CC: Bjorn Helgaas --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org