* [thomas-weissschuh:b4/configfs-const 32/34] samples/configfs/configfs_sample.c:378:27: error: initialization of 'const struct configfs_attribute * const*' from incompatible pointer type 'struct configfs_attribute **'
@ 2026-11-07 13:32 kernel test robot
0 siblings, 0 replies; 2+ messages in thread
From: kernel test robot @ 2026-11-07 13:32 UTC (permalink / raw)
To: Thomas Weißschuh ; +Cc: oe-kbuild-all
tree: https://git.kernel.org/pub/scm/linux/kernel/git/thomas.weissschuh/linux.git b4/configfs-const
head: 0e68ea5975531faee86ef390018b5d08916b17db
commit: 4762ca57ffcb5fe7b2fddd96882daba9fe3ce303 [32/34] const ct_attrs
config: x86_64-buildonly-randconfig-1001-20261107 (https://download.01.org/0day-ci/archive/20261107/202611072155.KSMUrRTI-lkp@intel.com/config)
compiler: gcc-14 (Debian 14.2.0-19) 14.2.0
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20261107/202611072155.KSMUrRTI-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/202611072155.KSMUrRTI-lkp@intel.com/
All errors (new ones prefixed by >>):
samples/configfs/configfs_sample.c:343:9: warning: initialization discards 'const' qualifier from pointer target type [-Wdiscarded-qualifiers]
343 | &symlink_child_attr_nlinks,
| ^
>> samples/configfs/configfs_sample.c:378:27: error: initialization of 'const struct configfs_attribute * const*' from incompatible pointer type 'struct configfs_attribute **' [-Wincompatible-pointer-types]
378 | .ct_attrs = symlink_child_attrs,
| ^~~~~~~~~~~~~~~~~~~
samples/configfs/configfs_sample.c:378:27: note: (near initialization for 'symlink_child_type.<anonymous>.ct_attrs')
samples/configfs/configfs_sample.c:411:9: warning: initialization discards 'const' qualifier from pointer target type [-Wdiscarded-qualifiers]
411 | &symlink_children_attr_description,
| ^
samples/configfs/configfs_sample.c:421:27: error: initialization of 'const struct configfs_attribute * const*' from incompatible pointer type 'struct configfs_attribute **' [-Wincompatible-pointer-types]
421 | .ct_attrs = symlink_children_attrs,
| ^~~~~~~~~~~~~~~~~~~~~~
samples/configfs/configfs_sample.c:421:27: note: (near initialization for 'symlink_children_type.<anonymous>.ct_attrs')
vim +378 samples/configfs/configfs_sample.c
0a51cf54232ecdf Breno Leitao 2026-08-26 341
0a51cf54232ecdf Breno Leitao 2026-08-26 342 static struct configfs_attribute *symlink_child_attrs[] = {
0a51cf54232ecdf Breno Leitao 2026-08-26 @343 &symlink_child_attr_nlinks,
0a51cf54232ecdf Breno Leitao 2026-08-26 344 NULL,
0a51cf54232ecdf Breno Leitao 2026-08-26 345 };
0a51cf54232ecdf Breno Leitao 2026-08-26 346
0a51cf54232ecdf Breno Leitao 2026-08-26 347 /*
0a51cf54232ecdf Breno Leitao 2026-08-26 348 * The VFS holds the source item's directory locked across symlink(2) and
0a51cf54232ecdf Breno Leitao 2026-08-26 349 * unlink(2), so ->nlinks needs no lock of its own.
0a51cf54232ecdf Breno Leitao 2026-08-26 350 */
0a51cf54232ecdf Breno Leitao 2026-08-26 351 static int symlink_child_allow_link(struct config_item *src,
0a51cf54232ecdf Breno Leitao 2026-08-26 352 struct config_item *target)
0a51cf54232ecdf Breno Leitao 2026-08-26 353 {
0a51cf54232ecdf Breno Leitao 2026-08-26 354 to_symlink_child(src)->nlinks++;
0a51cf54232ecdf Breno Leitao 2026-08-26 355
0a51cf54232ecdf Breno Leitao 2026-08-26 356 return 0;
0a51cf54232ecdf Breno Leitao 2026-08-26 357 }
0a51cf54232ecdf Breno Leitao 2026-08-26 358
0a51cf54232ecdf Breno Leitao 2026-08-26 359 static void symlink_child_drop_link(struct config_item *src,
0a51cf54232ecdf Breno Leitao 2026-08-26 360 struct config_item *target)
0a51cf54232ecdf Breno Leitao 2026-08-26 361 {
0a51cf54232ecdf Breno Leitao 2026-08-26 362 to_symlink_child(src)->nlinks--;
0a51cf54232ecdf Breno Leitao 2026-08-26 363 }
0a51cf54232ecdf Breno Leitao 2026-08-26 364
0a51cf54232ecdf Breno Leitao 2026-08-26 365 static void symlink_child_release(struct config_item *item)
0a51cf54232ecdf Breno Leitao 2026-08-26 366 {
0a51cf54232ecdf Breno Leitao 2026-08-26 367 kfree(to_symlink_child(item));
0a51cf54232ecdf Breno Leitao 2026-08-26 368 }
0a51cf54232ecdf Breno Leitao 2026-08-26 369
0a51cf54232ecdf Breno Leitao 2026-08-26 370 static const struct configfs_item_operations symlink_child_item_ops = {
0a51cf54232ecdf Breno Leitao 2026-08-26 371 .release = symlink_child_release,
0a51cf54232ecdf Breno Leitao 2026-08-26 372 .allow_link = symlink_child_allow_link,
0a51cf54232ecdf Breno Leitao 2026-08-26 373 .drop_link = symlink_child_drop_link,
0a51cf54232ecdf Breno Leitao 2026-08-26 374 };
0a51cf54232ecdf Breno Leitao 2026-08-26 375
0a51cf54232ecdf Breno Leitao 2026-08-26 376 static const struct config_item_type symlink_child_type = {
0a51cf54232ecdf Breno Leitao 2026-08-26 377 .ct_item_ops = &symlink_child_item_ops,
0a51cf54232ecdf Breno Leitao 2026-08-26 @378 .ct_attrs = symlink_child_attrs,
0a51cf54232ecdf Breno Leitao 2026-08-26 379 .ct_owner = THIS_MODULE,
0a51cf54232ecdf Breno Leitao 2026-08-26 380 };
0a51cf54232ecdf Breno Leitao 2026-08-26 381
:::::: The code at line 378 was first introduced by commit
:::::: 0a51cf54232ecdfb8172ad7943e04e67e401538a samples/configfs: add a subsystem that accepts symlinks
:::::: TO: Breno Leitao <leitao@debian.org>
:::::: CC: Breno Leitao <leitao@debian.org>
--
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki
^ permalink raw reply [flat|nested] 2+ messages in thread
* [thomas-weissschuh:b4/configfs-const 32/34] samples/configfs/configfs_sample.c:378:27: error: initialization of 'const struct configfs_attribute * const*' from incompatible pointer type 'struct configfs_attribute **'
@ 2026-11-07 20:49 kernel test robot
0 siblings, 0 replies; 2+ messages in thread
From: kernel test robot @ 2026-11-07 20:49 UTC (permalink / raw)
To: Thomas Weißschuh ; +Cc: oe-kbuild-all
tree: https://git.kernel.org/pub/scm/linux/kernel/git/thomas.weissschuh/linux.git b4/configfs-const
head: 0e68ea5975531faee86ef390018b5d08916b17db
commit: 4762ca57ffcb5fe7b2fddd96882daba9fe3ce303 [32/34] const ct_attrs
config: x86_64-randconfig-2103-20261107 (https://download.01.org/0day-ci/archive/20261107/202611072127.5ZXFcMim-lkp@intel.com/config)
compiler: gcc-14 (Debian 14.2.0-19) 14.2.0
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20261107/202611072127.5ZXFcMim-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/202611072127.5ZXFcMim-lkp@intel.com/
All errors (new ones prefixed by >>):
samples/configfs/configfs_sample.c:343:9: warning: initialization discards 'const' qualifier from pointer target type [-Wdiscarded-qualifiers]
343 | &symlink_child_attr_nlinks,
| ^
>> samples/configfs/configfs_sample.c:378:27: error: initialization of 'const struct configfs_attribute * const*' from incompatible pointer type 'struct configfs_attribute **' [-Wincompatible-pointer-types]
378 | .ct_attrs = symlink_child_attrs,
| ^~~~~~~~~~~~~~~~~~~
samples/configfs/configfs_sample.c:378:27: note: (near initialization for 'symlink_child_type.<anonymous>.ct_attrs')
samples/configfs/configfs_sample.c:411:9: warning: initialization discards 'const' qualifier from pointer target type [-Wdiscarded-qualifiers]
411 | &symlink_children_attr_description,
| ^
samples/configfs/configfs_sample.c:421:27: error: initialization of 'const struct configfs_attribute * const*' from incompatible pointer type 'struct configfs_attribute **' [-Wincompatible-pointer-types]
421 | .ct_attrs = symlink_children_attrs,
| ^~~~~~~~~~~~~~~~~~~~~~
samples/configfs/configfs_sample.c:421:27: note: (near initialization for 'symlink_children_type.<anonymous>.ct_attrs')
vim +378 samples/configfs/configfs_sample.c
0a51cf54232ecdf Breno Leitao 2026-08-26 375
0a51cf54232ecdf Breno Leitao 2026-08-26 376 static const struct config_item_type symlink_child_type = {
0a51cf54232ecdf Breno Leitao 2026-08-26 377 .ct_item_ops = &symlink_child_item_ops,
0a51cf54232ecdf Breno Leitao 2026-08-26 @378 .ct_attrs = symlink_child_attrs,
0a51cf54232ecdf Breno Leitao 2026-08-26 379 .ct_owner = THIS_MODULE,
0a51cf54232ecdf Breno Leitao 2026-08-26 380 };
0a51cf54232ecdf Breno Leitao 2026-08-26 381
:::::: The code at line 378 was first introduced by commit
:::::: 0a51cf54232ecdfb8172ad7943e04e67e401538a samples/configfs: add a subsystem that accepts symlinks
:::::: TO: Breno Leitao <leitao@debian.org>
:::::: CC: Breno Leitao <leitao@debian.org>
--
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki
^ permalink raw reply [flat|nested] 2+ messages in thread
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2026-11-07 20:49 [thomas-weissschuh:b4/configfs-const 32/34] samples/configfs/configfs_sample.c:378:27: error: initialization of 'const struct configfs_attribute * const*' from incompatible pointer type 'struct configfs_attribute **' kernel test robot
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