tree: https://gitee.com/openeuler/kernel.git openEuler-1.0-LTS head: aec283517697385e25d19ae7312a63bad805b4a7 commit: 211070f39ed4ec7390dca8351c9fee934b8179e7 [5041/22575] HID: i2c-hid: override HID descriptors for certain devices config: x86_64-buildonly-randconfig-005-20240527 (https://download.01.org/0day-ci/archive/20240529/202405292306.oKi0pqkq-lkp@i...) compiler: gcc-13 (Ubuntu 13.2.0-4ubuntu3) 13.2.0 reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20240529/202405292306.oKi0pqkq-lkp@i...)

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/202405292306.oKi0pqkq-lkp@intel.com/

All warnings (new ones prefixed by >>):

In file included from drivers/hid/i2c-hid/i2c-hid-core.c:21: include/linux/module.h:140:14: warning: 'cleanup_module' specifies less restrictive attribute than its target 'i2c_hid_driver_exit': 'cold' [-Wmissing-attributes] 140 | void cleanup_module(void) __attribute__((alias(#exitfn))); | ^~~~~~~~~~~~~~ include/linux/device.h:1637:1: note: in expansion of macro 'module_exit' 1637 | module_exit(__driver##_exit); | ^~~~~~~~~~~ include/linux/i2c.h:870:9: note: in expansion of macro 'module_driver' 870 | module_driver(__i2c_driver, i2c_add_driver, \ | ^~~~~~~~~~~~~ drivers/hid/i2c-hid/i2c-hid-core.c:1344:1: note: in expansion of macro 'module_i2c_driver' 1344 | module_i2c_driver(i2c_hid_driver); | ^~~~~~~~~~~~~~~~~ In file included from include/linux/i2c.h:30, from drivers/hid/i2c-hid/i2c-hid-core.c:22: drivers/hid/i2c-hid/i2c-hid-core.c:1344:19: note: 'cleanup_module' target declared here 1344 | module_i2c_driver(i2c_hid_driver); | ^~~~~~~~~~~~~~ include/linux/device.h:1633:20: note: in definition of macro 'module_driver' 1633 | static void __exit __driver##_exit(void) \ | ^~~~~~~~ drivers/hid/i2c-hid/i2c-hid-core.c:1344:1: note: in expansion of macro 'module_i2c_driver' 1344 | module_i2c_driver(i2c_hid_driver); | ^~~~~~~~~~~~~~~~~ include/linux/module.h:134:13: warning: 'init_module' specifies less restrictive attribute than its target 'i2c_hid_driver_init': 'cold' [-Wmissing-attributes] 134 | int init_module(void) __attribute__((alias(#initfn))); | ^~~~~~~~~~~ include/linux/device.h:1632:1: note: in expansion of macro 'module_init' 1632 | module_init(__driver##_init); \ | ^~~~~~~~~~~ include/linux/i2c.h:870:9: note: in expansion of macro 'module_driver' 870 | module_driver(__i2c_driver, i2c_add_driver, \ | ^~~~~~~~~~~~~ drivers/hid/i2c-hid/i2c-hid-core.c:1344:1: note: in expansion of macro 'module_i2c_driver' 1344 | module_i2c_driver(i2c_hid_driver); | ^~~~~~~~~~~~~~~~~ drivers/hid/i2c-hid/i2c-hid-core.c:1344:19: note: 'init_module' target declared here 1344 | module_i2c_driver(i2c_hid_driver); | ^~~~~~~~~~~~~~ include/linux/device.h:1628:19: note: in definition of macro 'module_driver' 1628 | static int __init __driver##_init(void) \ | ^~~~~~~~ drivers/hid/i2c-hid/i2c-hid-core.c:1344:1: note: in expansion of macro 'module_i2c_driver' 1344 | module_i2c_driver(i2c_hid_driver); | ^~~~~~~~~~~~~~~~~ drivers/hid/i2c-hid/i2c-hid-core.c: In function '__i2c_hid_command': drivers/hid/i2c-hid/i2c-hid-core.c:223:26: warning: array subscript 0 is outside array bounds of 'u8[0]' {aka 'unsigned char[]'} [-Warray-bounds=] 223 | cmd->data[0] = ihid->hdesc_buffer[registerIndex]; | ~~~~~~~~~^~~ drivers/hid/i2c-hid/i2c-hid-core.c:98:12: note: while referencing 'data' 98 | u8 data[0]; | ^~~~ drivers/hid/i2c-hid/i2c-hid-core.c:224:26: warning: array subscript 1 is outside array bounds of 'u8[0]' {aka 'unsigned char[]'} [-Warray-bounds=] 224 | cmd->data[1] = ihid->hdesc_buffer[registerIndex + 1]; | ~~~~~~~~~^~~ drivers/hid/i2c-hid/i2c-hid-core.c:98:12: note: while referencing 'data' 98 | u8 data[0]; | ^~~~ drivers/hid/i2c-hid/i2c-hid-core.c:327: warning: Function parameter or member 'data_len' not described in 'i2c_hid_set_or_send_report' drivers/hid/i2c-hid/i2c-hid-core.c:327: warning: Excess function parameter 'len' description in 'i2c_hid_set_or_send_report'

...

drivers/hid/i2c-hid/.tmp_i2c-hid-core.o: warning: objtool: missing symbol for section .exit.text