tree: https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core.git class_groups_removal head: 0e917470c6fbd8ad8eb957c663aecc25b859c7fb commit: 8c103093703b767ff463d04c78569e4abf9fbbc8 [3/7] mtd: use class_groups instead of class_attrs config: x86_64-randconfig-x019-201723 (attached as .config) compiler: gcc-6 (Debian 6.2.0-3) 6.2.0 20160901 reproduce: git checkout 8c103093703b767ff463d04c78569e4abf9fbbc8 # save the attached .config to linux build tree make ARCH=x86_64 All errors (new ones prefixed by >>): >> drivers/mtd/ubi/build.c:116:2: error: initialization from incompatible pointer type [-Werror=incompatible-pointer-types] &class_attr_version.attr, ^ drivers/mtd/ubi/build.c:116:2: note: (near initialization for 'ubi_class_attrs[0]') In file included from include/linux/kobject.h:21:0, from include/linux/module.h:17, from drivers/mtd/ubi/build.c:33: drivers/mtd/ubi/build.c:119:18: error: initialization from incompatible pointer type [-Werror=incompatible-pointer-types] ATTRIBUTE_GROUPS(ubi_class); ^ include/linux/sysfs.h:148:11: note: in definition of macro 'ATTRIBUTE_GROUPS' .attrs = _name##_attrs, \ ^~~~~ drivers/mtd/ubi/build.c:119:18: note: (near initialization for 'ubi_class_group.attrs') ATTRIBUTE_GROUPS(ubi_class); ^ include/linux/sysfs.h:148:11: note: in definition of macro 'ATTRIBUTE_GROUPS' .attrs = _name##_attrs, \ ^~~~~ cc1: some warnings being treated as errors vim +116 drivers/mtd/ubi/build.c 110 { 111 return sprintf(buf, "%d\n", UBI_VERSION); 112 } 113 static CLASS_ATTR_RO(version); 114 115 static struct attributes *ubi_class_attrs[] = { > 116 &class_attr_version.attr, 117 NULL, 118 }; 119 ATTRIBUTE_GROUPS(ubi_class); --- 0-DAY kernel test infrastructure Open Source Technology Center https://lists.01.org/pipermail/kbuild-all Intel Corporation
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