tree: https://gitee.com/openeuler/kernel.git OLK-6.6 head: 130fc493d13fa24dba99b7116f0f995fe2d1465b commit: a1dd4972da4e66d9a9d1a89b3dfd8f742c20193b [13292/13430] crypto: tdm: Add Hygon TDM driver config: x86_64-buildonly-randconfig-001-20240816 (https://download.01.org/0day-ci/archive/20240816/202408160647.XUdenjS0-lkp@i...) compiler: clang version 18.1.5 (https://github.com/llvm/llvm-project 617a15a9eac96088ae5e9134248d8236e34b91b1) reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20240816/202408160647.XUdenjS0-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/202408160647.XUdenjS0-lkp@intel.com/ All errors (new ones prefixed by >>): drivers/crypto/ccp/hygon/tdm-dev.c:94:6: warning: variable 'ret' set but not used [-Wunused-but-set-variable] 94 | int ret = 0; | ^

...

drivers/crypto/ccp/hygon/tdm-dev.c:340:40: error: incomplete definition of type 'struct module' 340 | memcpy(ctx_msg.module_name, p_module->name, sizeof(p_module->name)); | ~~~~~~~~^ arch/x86/include/asm/alternative.h:103:8: note: forward declaration of 'struct module' 103 | struct module; | ^ drivers/crypto/ccp/hygon/tdm-dev.c:340:63: error: incomplete definition of type 'struct module' 340 | memcpy(ctx_msg.module_name, p_module->name, sizeof(p_module->name)); | ~~~~~~~~^ arch/x86/include/asm/alternative.h:103:8: note: forward declaration of 'struct module' 103 | struct module; | ^ drivers/crypto/ccp/hygon/tdm-dev.c:606:20: warning: variable 'head' set but not used [-Wunused-but-set-variable] 606 | struct list_head *head = NULL; | ^ 2 warnings and 2 errors generated.

vim +340 drivers/crypto/ccp/hygon/tdm-dev.c 323 324 if (!hash) { 325 ret = -DYN_NULL_POINTER; 326 pr_err("Null pointer\n"); 327 goto end; 328 } 329 330 ctx_msg.flag = flag; 331 ctx_msg.pid = current->pid; 332 memcpy(ctx_msg.comm, current->comm, sizeof(current->comm)); 333 334 return_address = CALLER_ADDR1; 335 if (return_address) { 336 #if IS_BUILTIN(CONFIG_CRYPTO_DEV_CCP_DD) 337 p_module = __module_address(return_address); 338 // caller is module 339 if (p_module)

340 memcpy(ctx_msg.module_name, p_module->name, sizeof(p_module->name)); 341 // caller is build-in 342 else 343 memset(ctx_msg.module_name, 0, sizeof(ctx_msg.module_name)); 344 #elif IS_ENABLED(CONFIG_KALLSYMS) 345 symbol_len = sprint_symbol((char *)symbol_buf, return_address); 346 if (!symbol_len) { 347 ret = -DYN_ERR_API; 348 pr_err("sprint_symbol failed\n"); 349 goto end; 350 } 351 symbol_begin = strchr((char *)symbol_buf, '['); 352 if (!symbol_begin) { 353 ret = -DYN_NULL_POINTER; 354 pr_err("module name is not exist\n"); 355 goto end; 356 } 357 symbol_end = strchr((char *)symbol_buf, ']'); 358 if (!symbol_end) { 359 ret = -DYN_NULL_POINTER; 360 pr_err("module name is not exist\n"); 361 goto end; 362 } 363 symbol_begin++; 364 if (symbol_end - symbol_begin) 365 memcpy(ctx_msg.module_name, symbol_begin, symbol_end - symbol_begin); 366 else 367 memset(ctx_msg.module_name, 0, sizeof(ctx_msg.module_name)); 368 #else 369 memset(ctx_msg.module_name, 0, sizeof(ctx_msg.module_name)); 370 #endif 371 } else 372 memset(ctx_msg.module_name, 0, sizeof(ctx_msg.module_name)); 373 374 ret = calc_task_context_hash(ctx_msg, hash); 375 if (ret) { 376 pr_err("calc_task_context_hash failed\n"); 377 goto end; 378 } 379 380 end: 381 return ret; 382 } 383

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