From: kernel test robot <lkp@intel.com>
To: oe-kbuild@lists.linux.dev
Cc: lkp@intel.com
Subject: drivers/hwmon/pmbus/tda38740.c:58:42: error: invalid application of 'sizeof' to an incomplete type 'struct tda38740_data'
Date: Fri, 11 Sep 2026 12:46:18 +0800 [thread overview]
Message-ID: <202609111238.o3pozuou-lkp@intel.com> (raw)
::::::
:::::: Manual check reason: "bisect to a FBC not belonging to original linux-review patches: branch: linux-review/Colin-Huang/dt-bindings-hwmon-pmbus-Add-Infineon-tda38740-and-tda38725/20260910-203550, commit: 624603abe6d524d514b8131b2532f3515e6b7b2e"
::::::
BCC: lkp@intel.com
CC: llvm@lists.linux.dev
CC: oe-kbuild-all@lists.linux.dev
TO: Colin Huang <u8813345@gmail.com>
CC: 0day robot <lkp@intel.com>
tree: https://github.com/intel-lab-lkp/linux/commits/Colin-Huang/dt-bindings-hwmon-pmbus-Add-Infineon-tda38740-and-tda38725/20260910-203550
head: 624603abe6d524d514b8131b2532f3515e6b7b2e
commit: 624603abe6d524d514b8131b2532f3515e6b7b2e hwmon: (pmbus/tda38740) Add driver for Infineon TDA38740/TDA38725
date: 14 hours ago
:::::: branch date: 14 hours ago
:::::: commit date: 14 hours ago
config: loongarch-allmodconfig (https://download.01.org/0day-ci/archive/20260911/202609111238.o3pozuou-lkp@intel.com/config)
compiler: clang version 19.1.7 (https://github.com/llvm/llvm-project cd708029e0b2869e80abe31ddb175f7c35361f90)
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20260911/202609111238.o3pozuou-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/r/202609111238.o3pozuou-lkp@intel.com/
All errors (new ones prefixed by >>):
>> drivers/hwmon/pmbus/tda38740.c:58:42: error: invalid application of 'sizeof' to an incomplete type 'struct tda38740_data'
58 | data = devm_kzalloc(&client->dev, sizeof(*data), GFP_KERNEL);
| ^~~~~~~
drivers/hwmon/pmbus/tda38740.c:56:9: note: forward declaration of 'struct tda38740_data'
56 | struct tda38740_data *data;
| ^
>> drivers/hwmon/pmbus/tda38740.c:62:14: error: incomplete definition of type 'struct tda38740_data'
62 | memcpy(&data->info, &tda38740_info, sizeof(tda38740_info));
| ~~~~^
include/linux/fortify-string.h:641:17: note: expanded from macro 'memcpy'
641 | __struct_size(p), __struct_size(q), \
| ^
include/linux/compiler_types.h:525:56: note: expanded from macro '__struct_size'
525 | #define __struct_size(p) __builtin_dynamic_object_size(p, 0)
| ^
include/linux/fortify-string.h:578:27: note: expanded from macro '__fortify_memcpy_chk'
578 | const size_t __p_size = (p_size); \
| ^~~~~~
drivers/hwmon/pmbus/tda38740.c:56:9: note: forward declaration of 'struct tda38740_data'
56 | struct tda38740_data *data;
| ^
>> drivers/hwmon/pmbus/tda38740.c:62:14: error: incomplete definition of type 'struct tda38740_data'
62 | memcpy(&data->info, &tda38740_info, sizeof(tda38740_info));
| ~~~~^
include/linux/fortify-string.h:642:17: note: expanded from macro 'memcpy'
642 | __member_size(p), __member_size(q), \
| ^
include/linux/compiler_types.h:526:56: note: expanded from macro '__member_size'
526 | #define __member_size(p) __builtin_dynamic_object_size(p, 1)
| ^
include/linux/fortify-string.h:580:33: note: expanded from macro '__fortify_memcpy_chk'
580 | const size_t __p_size_field = (p_size_field); \
| ^~~~~~~~~~~~
drivers/hwmon/pmbus/tda38740.c:56:9: note: forward declaration of 'struct tda38740_data'
56 | struct tda38740_data *data;
| ^
>> drivers/hwmon/pmbus/tda38740.c:62:14: error: incomplete definition of type 'struct tda38740_data'
62 | memcpy(&data->info, &tda38740_info, sizeof(tda38740_info));
| ~~~~^
include/linux/fortify-string.h:640:47: note: expanded from macro 'memcpy'
640 | #define memcpy(p, q, s) __fortify_memcpy_chk(p, q, s, \
| ^
include/linux/fortify-string.h:595:20: note: expanded from macro '__fortify_memcpy_chk'
595 | __underlying_##op(p, q, __copy_size); \
| ^
drivers/hwmon/pmbus/tda38740.c:56:9: note: forward declaration of 'struct tda38740_data'
56 | struct tda38740_data *data;
| ^
drivers/hwmon/pmbus/tda38740.c:64:37: error: incomplete definition of type 'struct tda38740_data'
64 | return pmbus_do_probe(client, &data->info);
| ~~~~^
drivers/hwmon/pmbus/tda38740.c:56:9: note: forward declaration of 'struct tda38740_data'
56 | struct tda38740_data *data;
| ^
5 errors generated.
vim +58 drivers/hwmon/pmbus/tda38740.c
624603abe6d524d Colin Huang 2026-09-10 53
624603abe6d524d Colin Huang 2026-09-10 54 static int tda38740_probe(struct i2c_client *client)
624603abe6d524d Colin Huang 2026-09-10 55 {
624603abe6d524d Colin Huang 2026-09-10 56 struct tda38740_data *data;
624603abe6d524d Colin Huang 2026-09-10 57
624603abe6d524d Colin Huang 2026-09-10 @58 data = devm_kzalloc(&client->dev, sizeof(*data), GFP_KERNEL);
624603abe6d524d Colin Huang 2026-09-10 59 if (!data)
624603abe6d524d Colin Huang 2026-09-10 60 return -ENOMEM;
624603abe6d524d Colin Huang 2026-09-10 61
624603abe6d524d Colin Huang 2026-09-10 @62 memcpy(&data->info, &tda38740_info, sizeof(tda38740_info));
624603abe6d524d Colin Huang 2026-09-10 63
624603abe6d524d Colin Huang 2026-09-10 64 return pmbus_do_probe(client, &data->info);
624603abe6d524d Colin Huang 2026-09-10 65 }
624603abe6d524d Colin Huang 2026-09-10 66
--
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki
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