Hi Manivannan, kernel test robot noticed the following build warnings: [auto build test WARNING on 0af2f6be1b4281385b618cb86ad946eded089ac8] url: https://github.com/intel-lab-lkp/linux/commits/Manivannan-Sadhasivam/PCI-Add-debugfs-support-for-exposing-PTM-context/20250425-001237 base: 0af2f6be1b4281385b618cb86ad946eded089ac8 patch link: https://lore.kernel.org/r/20250424-pcie-ptm-v3-1-c929ebd2821c%40linaro.org patch subject: [PATCH v3 1/4] PCI: Add debugfs support for exposing PTM context config: riscv-randconfig-001-20250425 (https://download.01.org/0day-ci/archive/20250426/202504260126.wxQ1Dp0M-lkp@xxxxxxxxx/config) compiler: riscv32-linux-gcc (GCC) 14.2.0 reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20250426/202504260126.wxQ1Dp0M-lkp@xxxxxxxxx/reproduce) If you fix the issue in a separate patch/commit (i.e. not just a new version of the same patch/commit), kindly add following tags | Reported-by: kernel test robot <lkp@xxxxxxxxx> | Closes: https://lore.kernel.org/oe-kbuild-all/202504260126.wxQ1Dp0M-lkp@xxxxxxxxx/ All warnings (new ones prefixed by >>): In file included from drivers/pci/pci-pf-stub.c:10: include/linux/pci.h: In function 'pcie_ptm_create_debugfs': >> include/linux/pci.h:1911:39: warning: no return statement in function returning non-void [-Wreturn-type] 1911 | const struct pcie_ptm_ops *ops) { } | ^~~~~~~~~~~~ vim +1911 include/linux/pci.h 1903 1904 #if IS_ENABLED(CONFIG_DEBUG_FS) && IS_ENABLED(CONFIG_PCIE_PTM) 1905 struct pci_ptm_debugfs *pcie_ptm_create_debugfs(struct device *dev, void *pdata, 1906 const struct pcie_ptm_ops *ops); 1907 void pcie_ptm_destroy_debugfs(struct pci_ptm_debugfs *ptm_debugfs); 1908 #else 1909 static inline struct pci_ptm_debugfs 1910 *pcie_ptm_create_debugfs(struct device *dev, void *pdata, > 1911 const struct pcie_ptm_ops *ops) { } 1912 static inline void 1913 pcie_ptm_destroy_debugfs(struct pci_ptm_debugfs *ptm_debugfs) { } 1914 #endif 1915 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki
