Hi Damien, kernel test robot noticed the following build warnings: [auto build test WARNING on pci/next] [also build test WARNING on pci/for-linus linus/master v6.13-rc3 next-20241216] [cannot apply to hch-configfs/for-next] [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#_base_tree_information] url: https://github.com/intel-lab-lkp/linux/commits/Damien-Le-Moal/nvmet-Add-vendor_id-and-subsys_vendor_id-subsystem-attributes/20241210-174321 base: https://git.kernel.org/pub/scm/linux/kernel/git/pci/pci.git next patch link: https://lore.kernel.org/r/20241210093408.105867-17-dlemoal%40kernel.org patch subject: [PATCH v3 16/17] nvmet: New NVMe PCI endpoint target driver config: i386-randconfig-003-20241217 (https://download.01.org/0day-ci/archive/20241217/202412170432.ZuybGalF-lkp@xxxxxxxxx/config) compiler: gcc-12 (Debian 12.2.0-14) 12.2.0 reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20241217/202412170432.ZuybGalF-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/202412170432.ZuybGalF-lkp@xxxxxxxxx/ All warnings (new ones prefixed by >>): drivers/nvme/target/pci-ep.c: In function 'nvmet_pciep_iod_name': drivers/nvme/target/pci-ep.c:658:16: error: implicit declaration of function 'nvme_opcode_str'; did you mean 'nvme_opcode_name'? [-Werror=implicit-function-declaration] 658 | return nvme_opcode_str(iod->sq->qid, iod->cmd.common.opcode); | ^~~~~~~~~~~~~~~ | nvme_opcode_name >> drivers/nvme/target/pci-ep.c:658:16: warning: returning 'int' from a function with return type 'const char *' makes pointer from integer without a cast [-Wint-conversion] 658 | return nvme_opcode_str(iod->sq->qid, iod->cmd.common.opcode); | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ In file included from include/linux/bits.h:7, from include/linux/bitops.h:6, from include/linux/log2.h:12, from arch/x86/include/asm/div64.h:8, from include/linux/math.h:6, from include/linux/delay.h:12, from drivers/nvme/target/pci-ep.c:10: drivers/nvme/target/pci-ep.c: In function 'nvmet_pciep_enable_ctrl': include/uapi/linux/bits.h:9:19: warning: right shift count is negative [-Wshift-count-negative] 9 | (~_UL(0) >> (__BITS_PER_LONG - 1 - (h)))) | ^~ include/linux/bits.h:35:38: note: in expansion of macro '__GENMASK' 35 | (GENMASK_INPUT_CHECK(h, l) + __GENMASK(h, l)) | ^~~~~~~~~ drivers/nvme/target/pci-ep.c:1842:26: note: in expansion of macro 'GENMASK' 1842 | pci_addr = acq & GENMASK(63, 12); | ^~~~~~~ include/uapi/linux/bits.h:9:19: warning: right shift count is negative [-Wshift-count-negative] 9 | (~_UL(0) >> (__BITS_PER_LONG - 1 - (h)))) | ^~ include/linux/bits.h:35:38: note: in expansion of macro '__GENMASK' 35 | (GENMASK_INPUT_CHECK(h, l) + __GENMASK(h, l)) | ^~~~~~~~~ drivers/nvme/target/pci-ep.c:1852:26: note: in expansion of macro 'GENMASK' 1852 | pci_addr = asq & GENMASK(63, 12); | ^~~~~~~ drivers/nvme/target/pci-ep.c: In function 'nvmet_pciep_init_bar': >> include/uapi/linux/bits.h:8:31: warning: left shift count >= width of type [-Wshift-count-overflow] 8 | (((~_UL(0)) - (_UL(1) << (l)) + 1) & \ | ^~ include/linux/bits.h:35:38: note: in expansion of macro '__GENMASK' 35 | (GENMASK_INPUT_CHECK(h, l) + __GENMASK(h, l)) | ^~~~~~~~~ drivers/nvme/target/pci-ep.c:1949:23: note: in expansion of macro 'GENMASK' 1949 | ctrl->cap &= ~GENMASK(35, 32); | ^~~~~~~ include/uapi/linux/bits.h:9:19: warning: right shift count is negative [-Wshift-count-negative] 9 | (~_UL(0) >> (__BITS_PER_LONG - 1 - (h)))) | ^~ include/linux/bits.h:35:38: note: in expansion of macro '__GENMASK' 35 | (GENMASK_INPUT_CHECK(h, l) + __GENMASK(h, l)) | ^~~~~~~~~ drivers/nvme/target/pci-ep.c:1949:23: note: in expansion of macro 'GENMASK' 1949 | ctrl->cap &= ~GENMASK(35, 32); | ^~~~~~~ cc1: some warnings being treated as errors vim +658 drivers/nvme/target/pci-ep.c 655 656 static inline const char *nvmet_pciep_iod_name(struct nvmet_pciep_iod *iod) 657 { > 658 return nvme_opcode_str(iod->sq->qid, iod->cmd.common.opcode); 659 } 660 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki
