Hi Carrie.Cai, FYI, the error/warning still remains. tree: https://gitee.com/openeuler/kernel.git OLK-6.6 head: c0c5f5fdc62998e0c68e6c77d6aae2566185bfd5 commit: 914854f2adb6988ac3b6521088ec96833d6743e2 [1609/1609] driver: crypto - update support for Mont-TSSE Driver config: x86_64-allyesconfig (https://download.01.org/0day-ci/archive/20241210/202412101347.Sow2DxhA-lkp@i...) compiler: clang version 19.1.3 (https://github.com/llvm/llvm-project ab51eccf88f5321e7c60591c5546b254b6afab99) reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20241210/202412101347.Sow2DxhA-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/202412101347.Sow2DxhA-lkp@intel.com/ All warnings (new ones prefixed by >>): In file included from drivers/crypto/montage/tsse/tsse_ipc_api.c:10: In file included from drivers/crypto/montage/tsse/tsse_dev.h:13: In file included from include/linux/pci.h:1669: In file included from include/linux/dmapool.h:14: In file included from include/linux/scatterlist.h:8: In file included from include/linux/mm.h:2243: include/linux/vmstat.h:508:43: warning: arithmetic between different enumeration types ('enum zone_stat_item' and 'enum numa_stat_item') [-Wenum-enum-conversion] 508 | return vmstat_text[NR_VM_ZONE_STAT_ITEMS + | ~~~~~~~~~~~~~~~~~~~~~ ^ 509 | item]; | ~~~~ include/linux/vmstat.h:515:43: warning: arithmetic between different enumeration types ('enum zone_stat_item' and 'enum numa_stat_item') [-Wenum-enum-conversion] 515 | return vmstat_text[NR_VM_ZONE_STAT_ITEMS + | ~~~~~~~~~~~~~~~~~~~~~ ^ 516 | NR_VM_NUMA_EVENT_ITEMS + | ~~~~~~~~~~~~~~~~~~~~~~ include/linux/vmstat.h:522:36: warning: arithmetic between different enumeration types ('enum node_stat_item' and 'enum lru_list') [-Wenum-enum-conversion] 522 | return node_stat_name(NR_LRU_BASE + lru) + 3; // skip "nr_" | ~~~~~~~~~~~ ^ ~~~ include/linux/vmstat.h:527:43: warning: arithmetic between different enumeration types ('enum zone_stat_item' and 'enum numa_stat_item') [-Wenum-enum-conversion] 527 | return vmstat_text[NR_VM_ZONE_STAT_ITEMS + | ~~~~~~~~~~~~~~~~~~~~~ ^ 528 | NR_VM_NUMA_EVENT_ITEMS + | ~~~~~~~~~~~~~~~~~~~~~~ include/linux/vmstat.h:536:43: warning: arithmetic between different enumeration types ('enum zone_stat_item' and 'enum numa_stat_item') [-Wenum-enum-conversion] 536 | return vmstat_text[NR_VM_ZONE_STAT_ITEMS + | ~~~~~~~~~~~~~~~~~~~~~ ^ 537 | NR_VM_NUMA_EVENT_ITEMS + | ~~~~~~~~~~~~~~~~~~~~~~

...

drivers/crypto/montage/tsse/tsse_ipc_api.c:62:36: warning: variable 'device_handle' is uninitialized when used here [-Wuninitialized] 62 | service_instance->device_handle = device_handle; | ^~~~~~~~~~~~~ drivers/crypto/montage/tsse/tsse_ipc_api.c:56:19: note: initialize the variable 'device_handle' to silence this warning 56 | int device_handle; | ^ | = 0 6 warnings generated.

vim +/device_handle +62 drivers/crypto/montage/tsse/tsse_ipc_api.c 41 42 /** 43 * tsse_im_service_handle_alloc() - Allocate IPC Message service handle for specific service. 44 * @name: IPC Message service name 45 * @cb: request callback for the service 46 * @handle: function output for the service handle 47 * Return: 0 if allocated successfully, other values for failure 48 */ 49 int tsse_im_service_handle_alloc( 50 const char *name, 51 tsse_im_cb_func cb, 52 tsse_im_service_handle *handle) 53 { 54 struct tsse_service_instance *service_instance; 55 int ret; 56 int device_handle; 57 58 service_instance = kzalloc(sizeof(struct tsse_service_instance), GFP_ATOMIC); 59 if (!service_instance) 60 return -ENOMEM; 61 service_instance->service_opened = 0;

62 service_instance->device_handle = device_handle; 63 service_instance->cb = cb; 64 strscpy(service_instance->service_name, name, TSSE_IM_SERVICE_NAME_LEN); 65 66 ret = tsse_schedule_device_handle(service_instance); 67 if (ret) { 68 kfree(service_instance); 69 return ret; 70 } 71 72 ret = tsse_service_open(service_instance); 73 if (ret) { 74 pr_err("%s(): open service: %s failed: %d\n", 75 __func__, service_instance->service_name, ret); 76 kfree(service_instance); 77 return ret; 78 } 79 *handle = service_instance; 80 return 0; 81 } 82 EXPORT_SYMBOL_GPL(tsse_im_service_handle_alloc); 83

-- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki