From: kernel test robot <lkp@intel.com>
To: "Thomas Weißschuh" <linux@weissschuh.net>
Cc: oe-kbuild-all@lists.linux.dev
Subject: [thomas-weissschuh:b4/b4-sysfs-const-bin_attr-cb 63/64] include/linux/sysfs.h:387:34: error: initialization of 'ssize_t (*)(struct file *, struct kobject *, const struct bin_attribute *, char *, loff_t, size_t)' {aka 'int (*)(struct file *, struct kobject *, const struct bin_attribute *, char *, long long int...
Date: Wed, 8 Jan 2025 06:30:47 +0800 [thread overview]
Message-ID: <202501080655.PRQU9F6E-lkp@intel.com> (raw)
tree: https://git.kernel.org/pub/scm/linux/kernel/git/thomas.weissschuh/linux.git b4/b4-sysfs-const-bin_attr-cb
head: 1c76e0940bd2d02a30ddaf76ef5bcb648c3fffb1
commit: da56a14a657e9763156eeac71d74f3d73bcb11f5 [63/64] read/write
config: i386-buildonly-randconfig-002-20250108 (https://download.01.org/0day-ci/archive/20250108/202501080655.PRQU9F6E-lkp@intel.com/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/20250108/202501080655.PRQU9F6E-lkp@intel.com/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@intel.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202501080655.PRQU9F6E-lkp@intel.com/
All errors (new ones prefixed by >>):
In file included from include/linux/kobject.h:20,
from kernel/ksysfs.c:10:
>> include/linux/sysfs.h:387:34: error: initialization of 'ssize_t (*)(struct file *, struct kobject *, const struct bin_attribute *, char *, loff_t, size_t)' {aka 'int (*)(struct file *, struct kobject *, const struct bin_attribute *, char *, long long int, unsigned int)'} from incompatible pointer type 'ssize_t (*)(struct file *, struct kobject *, struct bin_attribute *, char *, loff_t, size_t)' {aka 'int (*)(struct file *, struct kobject *, struct bin_attribute *, char *, long long int, unsigned int)'} [-Werror=incompatible-pointer-types]
387 | __BIN_ATTR(_name, _mode, sysfs_bin_attr_simple_read, NULL, 0)
| ^~~~~~~~~~~~~~~~~~~~~~~~~~
include/linux/sysfs.h:338:17: note: in definition of macro '__BIN_ATTR'
338 | .read = _read, \
| ^~~~~
include/linux/sysfs.h:390:41: note: in expansion of macro '__BIN_ATTR_SIMPLE_RO'
390 | struct bin_attribute bin_attr_##_name = __BIN_ATTR_SIMPLE_RO(_name, 0444)
| ^~~~~~~~~~~~~~~~~~~~
kernel/ksysfs.c:242:24: note: in expansion of macro 'BIN_ATTR_SIMPLE_RO'
242 | static __ro_after_init BIN_ATTR_SIMPLE_RO(notes);
| ^~~~~~~~~~~~~~~~~~
include/linux/sysfs.h:387:34: note: (near initialization for 'bin_attr_notes.read')
387 | __BIN_ATTR(_name, _mode, sysfs_bin_attr_simple_read, NULL, 0)
| ^~~~~~~~~~~~~~~~~~~~~~~~~~
include/linux/sysfs.h:338:17: note: in definition of macro '__BIN_ATTR'
338 | .read = _read, \
| ^~~~~
include/linux/sysfs.h:390:41: note: in expansion of macro '__BIN_ATTR_SIMPLE_RO'
390 | struct bin_attribute bin_attr_##_name = __BIN_ATTR_SIMPLE_RO(_name, 0444)
| ^~~~~~~~~~~~~~~~~~~~
kernel/ksysfs.c:242:24: note: in expansion of macro 'BIN_ATTR_SIMPLE_RO'
242 | static __ro_after_init BIN_ATTR_SIMPLE_RO(notes);
| ^~~~~~~~~~~~~~~~~~
cc1: some warnings being treated as errors
--
In file included from include/linux/kobject.h:20,
from include/linux/module.h:21,
from kernel/kheaders.c:10:
>> include/linux/sysfs.h:387:34: error: initialization of 'ssize_t (*)(struct file *, struct kobject *, const struct bin_attribute *, char *, loff_t, size_t)' {aka 'int (*)(struct file *, struct kobject *, const struct bin_attribute *, char *, long long int, unsigned int)'} from incompatible pointer type 'ssize_t (*)(struct file *, struct kobject *, struct bin_attribute *, char *, loff_t, size_t)' {aka 'int (*)(struct file *, struct kobject *, struct bin_attribute *, char *, long long int, unsigned int)'} [-Werror=incompatible-pointer-types]
387 | __BIN_ATTR(_name, _mode, sysfs_bin_attr_simple_read, NULL, 0)
| ^~~~~~~~~~~~~~~~~~~~~~~~~~
include/linux/sysfs.h:338:17: note: in definition of macro '__BIN_ATTR'
338 | .read = _read, \
| ^~~~~
kernel/kheaders.c:33:9: note: in expansion of macro '__BIN_ATTR_SIMPLE_RO'
33 | __BIN_ATTR_SIMPLE_RO(kheaders.tar.xz, 0444);
| ^~~~~~~~~~~~~~~~~~~~
include/linux/sysfs.h:387:34: note: (near initialization for 'kheaders_attr.read')
387 | __BIN_ATTR(_name, _mode, sysfs_bin_attr_simple_read, NULL, 0)
| ^~~~~~~~~~~~~~~~~~~~~~~~~~
include/linux/sysfs.h:338:17: note: in definition of macro '__BIN_ATTR'
338 | .read = _read, \
| ^~~~~
kernel/kheaders.c:33:9: note: in expansion of macro '__BIN_ATTR_SIMPLE_RO'
33 | __BIN_ATTR_SIMPLE_RO(kheaders.tar.xz, 0444);
| ^~~~~~~~~~~~~~~~~~~~
cc1: some warnings being treated as errors
--
kernel/module/sysfs.c: In function 'add_notes_attrs':
>> kernel/module/sysfs.c:193:37: error: assignment to 'ssize_t (*)(struct file *, struct kobject *, const struct bin_attribute *, char *, loff_t, size_t)' {aka 'int (*)(struct file *, struct kobject *, const struct bin_attribute *, char *, long long int, unsigned int)'} from incompatible pointer type 'ssize_t (*)(struct file *, struct kobject *, struct bin_attribute *, char *, loff_t, size_t)' {aka 'int (*)(struct file *, struct kobject *, struct bin_attribute *, char *, long long int, unsigned int)'} [-Werror=incompatible-pointer-types]
193 | nattr->read = sysfs_bin_attr_simple_read;
| ^
cc1: some warnings being treated as errors
vim +387 include/linux/sysfs.h
9d6794feeb9090 Ira Weiny 2022-07-19 385
ae587a509903cc Thomas Weißschuh 2024-11-03 386 #define __BIN_ATTR_SIMPLE_RO(_name, _mode) \
ae587a509903cc Thomas Weißschuh 2024-11-03 @387 __BIN_ATTR(_name, _mode, sysfs_bin_attr_simple_read, NULL, 0)
d48c03198a92ed Lukas Wunner 2024-04-06 388
:::::: The code at line 387 was first introduced by commit
:::::: ae587a509903cca138e910445d8c21fe73b45c80 sysfs: implement all BIN_ATTR_* macros in terms of __BIN_ATTR()
:::::: TO: Thomas Weißschuh <linux@weissschuh.net>
:::::: CC: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
--
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki
reply other threads:[~2025-01-07 22:31 UTC|newest]
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