tree: https://git.kernel.org/pub/scm/linux/kernel/git/pci/pci.git kwilczynski/sysfs-static-resource-attributes head: 7f395964ea2fe94ad5099688ff13d6ba89c68f97 commit: fde9d2216e37abdc20fdbb73878fa040f751cb42 [11/11] PCI/sysfs: Limit pci_sysfs_init() late initcall compile time scope config: powerpc-randconfig-002-20240619 (https://download.01.org/0day-ci/archive/20240619/202406191749.Tjh9cRdX-lkp@xxxxxxxxx/config) compiler: clang version 15.0.7 (https://github.com/llvm/llvm-project 8dfdcc7b7bf66834a761bd8de445840ef68e4d1a) reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20240619/202406191749.Tjh9cRdX-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/202406191749.Tjh9cRdX-lkp@xxxxxxxxx/ All errors (new ones prefixed by >>): >> drivers/pci/pci-sysfs.c:971:5: error: no member named 'legacy_io' in 'struct pci_bus' b->legacy_io = kcalloc(2, sizeof(struct bin_attribute), ~ ^ drivers/pci/pci-sysfs.c:973:10: error: no member named 'legacy_io' in 'struct pci_bus' if (!b->legacy_io) ~ ^ drivers/pci/pci-sysfs.c:977:5: error: no member named 'legacy_io' in 'struct pci_bus' b->legacy_io->attr.name = "legacy_io"; ~ ^ drivers/pci/pci-sysfs.c:978:5: error: no member named 'legacy_io' in 'struct pci_bus' b->legacy_io->size = 0xffff; ~ ^ drivers/pci/pci-sysfs.c:979:5: error: no member named 'legacy_io' in 'struct pci_bus' b->legacy_io->attr.mode = 0600; ~ ^ drivers/pci/pci-sysfs.c:980:5: error: no member named 'legacy_io' in 'struct pci_bus' b->legacy_io->read = pci_read_legacy_io; ~ ^ drivers/pci/pci-sysfs.c:981:5: error: no member named 'legacy_io' in 'struct pci_bus' b->legacy_io->write = pci_write_legacy_io; ~ ^ drivers/pci/pci-sysfs.c:983:5: error: no member named 'legacy_io' in 'struct pci_bus' b->legacy_io->llseek = pci_llseek_resource; ~ ^ drivers/pci/pci-sysfs.c:984:5: error: no member named 'legacy_io' in 'struct pci_bus' b->legacy_io->mmap = pci_mmap_legacy_io; ~ ^ drivers/pci/pci-sysfs.c:985:5: error: no member named 'legacy_io' in 'struct pci_bus' b->legacy_io->f_mapping = iomem_get_mapping; ~ ^ drivers/pci/pci-sysfs.c:987:45: error: no member named 'legacy_io' in 'struct pci_bus' error = device_create_bin_file(&b->dev, b->legacy_io); ~ ^ >> drivers/pci/pci-sysfs.c:992:5: error: no member named 'legacy_mem' in 'struct pci_bus' b->legacy_mem = b->legacy_io + 1; ~ ^ drivers/pci/pci-sysfs.c:992:21: error: no member named 'legacy_io' in 'struct pci_bus' b->legacy_mem = b->legacy_io + 1; ~ ^ drivers/pci/pci-sysfs.c:994:5: error: no member named 'legacy_mem' in 'struct pci_bus' b->legacy_mem->attr.name = "legacy_mem"; ~ ^ drivers/pci/pci-sysfs.c:995:5: error: no member named 'legacy_mem' in 'struct pci_bus' b->legacy_mem->size = 1024*1024; ~ ^ drivers/pci/pci-sysfs.c:996:5: error: no member named 'legacy_mem' in 'struct pci_bus' b->legacy_mem->attr.mode = 0600; ~ ^ drivers/pci/pci-sysfs.c:997:5: error: no member named 'legacy_mem' in 'struct pci_bus' b->legacy_mem->mmap = pci_mmap_legacy_mem; ~ ^ drivers/pci/pci-sysfs.c:999:5: error: no member named 'legacy_mem' in 'struct pci_bus' b->legacy_mem->llseek = pci_llseek_resource; ~ ^ drivers/pci/pci-sysfs.c:1000:5: error: no member named 'legacy_mem' in 'struct pci_bus' b->legacy_mem->f_mapping = iomem_get_mapping; ~ ^ fatal error: too many errors emitted, stopping now [-ferror-limit=] 20 errors generated. vim +971 drivers/pci/pci-sysfs.c 10a0ef39fbd1d4 Ivan Kokshaysky 2009-02-17 952 f19aeb1f3638b7 Benjamin Herrenschmidt 2008-10-03 953 /** f19aeb1f3638b7 Benjamin Herrenschmidt 2008-10-03 954 * pci_create_legacy_files - create legacy I/O port and memory files f19aeb1f3638b7 Benjamin Herrenschmidt 2008-10-03 955 * @b: bus to create files under f19aeb1f3638b7 Benjamin Herrenschmidt 2008-10-03 956 * f19aeb1f3638b7 Benjamin Herrenschmidt 2008-10-03 957 * Some platforms allow access to legacy I/O port and ISA memory space on f19aeb1f3638b7 Benjamin Herrenschmidt 2008-10-03 958 * a per-bus basis. This routine creates the files and ties them into f19aeb1f3638b7 Benjamin Herrenschmidt 2008-10-03 959 * their associated read, write and mmap files from pci-sysfs.c f19aeb1f3638b7 Benjamin Herrenschmidt 2008-10-03 960 * 25985edcedea63 Lucas De Marchi 2011-03-30 961 * On error unwind, but don't propagate the error to the caller f19aeb1f3638b7 Benjamin Herrenschmidt 2008-10-03 962 * as it is ok to set up the PCI bus without these files. f19aeb1f3638b7 Benjamin Herrenschmidt 2008-10-03 963 */ f19aeb1f3638b7 Benjamin Herrenschmidt 2008-10-03 964 void pci_create_legacy_files(struct pci_bus *b) f19aeb1f3638b7 Benjamin Herrenschmidt 2008-10-03 965 { f19aeb1f3638b7 Benjamin Herrenschmidt 2008-10-03 966 int error; f19aeb1f3638b7 Benjamin Herrenschmidt 2008-10-03 967 efd532a679afae Daniel Vetter 2021-02-05 968 if (!sysfs_initialized) efd532a679afae Daniel Vetter 2021-02-05 969 return; efd532a679afae Daniel Vetter 2021-02-05 970 6396bb221514d2 Kees Cook 2018-06-12 @971 b->legacy_io = kcalloc(2, sizeof(struct bin_attribute), f19aeb1f3638b7 Benjamin Herrenschmidt 2008-10-03 972 GFP_ATOMIC); f19aeb1f3638b7 Benjamin Herrenschmidt 2008-10-03 973 if (!b->legacy_io) f19aeb1f3638b7 Benjamin Herrenschmidt 2008-10-03 974 goto kzalloc_err; f19aeb1f3638b7 Benjamin Herrenschmidt 2008-10-03 975 62e877b893e635 Stephen Rothwell 2010-03-01 976 sysfs_bin_attr_init(b->legacy_io); f19aeb1f3638b7 Benjamin Herrenschmidt 2008-10-03 977 b->legacy_io->attr.name = "legacy_io"; f19aeb1f3638b7 Benjamin Herrenschmidt 2008-10-03 978 b->legacy_io->size = 0xffff; e2154044dd4168 Kelsey Skunberg 2019-08-13 979 b->legacy_io->attr.mode = 0600; f19aeb1f3638b7 Benjamin Herrenschmidt 2008-10-03 980 b->legacy_io->read = pci_read_legacy_io; f19aeb1f3638b7 Benjamin Herrenschmidt 2008-10-03 981 b->legacy_io->write = pci_write_legacy_io; 24de09c16f974d Valentine Sinitsyn 2023-09-25 982 /* See pci_create_attr() for motivation */ 24de09c16f974d Valentine Sinitsyn 2023-09-25 983 b->legacy_io->llseek = pci_llseek_resource; f19aeb1f3638b7 Benjamin Herrenschmidt 2008-10-03 @984 b->legacy_io->mmap = pci_mmap_legacy_io; f06aff924f9758 Krzysztof Wilczyński 2021-07-29 985 b->legacy_io->f_mapping = iomem_get_mapping; 10a0ef39fbd1d4 Ivan Kokshaysky 2009-02-17 986 pci_adjust_legacy_attr(b, pci_mmap_io); f19aeb1f3638b7 Benjamin Herrenschmidt 2008-10-03 987 error = device_create_bin_file(&b->dev, b->legacy_io); f19aeb1f3638b7 Benjamin Herrenschmidt 2008-10-03 988 if (error) f19aeb1f3638b7 Benjamin Herrenschmidt 2008-10-03 989 goto legacy_io_err; f19aeb1f3638b7 Benjamin Herrenschmidt 2008-10-03 990 f19aeb1f3638b7 Benjamin Herrenschmidt 2008-10-03 991 /* Allocated above after the legacy_io struct */ f19aeb1f3638b7 Benjamin Herrenschmidt 2008-10-03 @992 b->legacy_mem = b->legacy_io + 1; 6757eca348fbbd Mel Gorman 2010-03-10 993 sysfs_bin_attr_init(b->legacy_mem); f19aeb1f3638b7 Benjamin Herrenschmidt 2008-10-03 994 b->legacy_mem->attr.name = "legacy_mem"; f19aeb1f3638b7 Benjamin Herrenschmidt 2008-10-03 995 b->legacy_mem->size = 1024*1024; e2154044dd4168 Kelsey Skunberg 2019-08-13 996 b->legacy_mem->attr.mode = 0600; f19aeb1f3638b7 Benjamin Herrenschmidt 2008-10-03 997 b->legacy_mem->mmap = pci_mmap_legacy_mem; 24de09c16f974d Valentine Sinitsyn 2023-09-25 998 /* See pci_create_attr() for motivation */ 24de09c16f974d Valentine Sinitsyn 2023-09-25 999 b->legacy_mem->llseek = pci_llseek_resource; c6c3c5704ba708 Linus Torvalds 2021-09-01 1000 b->legacy_mem->f_mapping = iomem_get_mapping; 10a0ef39fbd1d4 Ivan Kokshaysky 2009-02-17 1001 pci_adjust_legacy_attr(b, pci_mmap_mem); f19aeb1f3638b7 Benjamin Herrenschmidt 2008-10-03 1002 error = device_create_bin_file(&b->dev, b->legacy_mem); f19aeb1f3638b7 Benjamin Herrenschmidt 2008-10-03 1003 if (error) f19aeb1f3638b7 Benjamin Herrenschmidt 2008-10-03 1004 goto legacy_mem_err; f19aeb1f3638b7 Benjamin Herrenschmidt 2008-10-03 1005 f19aeb1f3638b7 Benjamin Herrenschmidt 2008-10-03 1006 return; f19aeb1f3638b7 Benjamin Herrenschmidt 2008-10-03 1007 f19aeb1f3638b7 Benjamin Herrenschmidt 2008-10-03 1008 legacy_mem_err: f19aeb1f3638b7 Benjamin Herrenschmidt 2008-10-03 1009 device_remove_bin_file(&b->dev, b->legacy_io); f19aeb1f3638b7 Benjamin Herrenschmidt 2008-10-03 1010 legacy_io_err: f19aeb1f3638b7 Benjamin Herrenschmidt 2008-10-03 1011 kfree(b->legacy_io); f19aeb1f3638b7 Benjamin Herrenschmidt 2008-10-03 1012 b->legacy_io = NULL; f19aeb1f3638b7 Benjamin Herrenschmidt 2008-10-03 1013 kzalloc_err: 7db4af43c97b68 Bjorn Helgaas 2019-05-07 1014 dev_warn(&b->dev, "could not create legacy I/O port and ISA memory resources in sysfs\n"); f19aeb1f3638b7 Benjamin Herrenschmidt 2008-10-03 1015 } f19aeb1f3638b7 Benjamin Herrenschmidt 2008-10-03 1016 :::::: The code at line 971 was first introduced by commit :::::: 6396bb221514d2876fd6dc0aa2a1f240d99b37bb treewide: kzalloc() -> kcalloc() :::::: TO: Kees Cook <keescook@xxxxxxxxxxxx> :::::: CC: Kees Cook <keescook@xxxxxxxxxxxx> -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki
