Hi, kernel test robot noticed the following build warnings: [auto build test WARNING on ras/edac-for-next] [also build test WARNING on rafael-pm/linux-next rafael-pm/bleeding-edge cxl/next linus/master v6.11-rc3 next-20240816] [cannot apply to cxl/pending] [If your patch is applied to the wrong git tree, kindly drop us a note. And when submitting patch, we suggest to use '--base' as documented in https://git-scm.com/docs/git-format-patch#_base_tree_information] url: https://github.com/intel-lab-lkp/linux/commits/shiju-jose-huawei-com/EDAC-Add-support-for-EDAC-device-feature-s-control/20240817-004442 base: https://git.kernel.org/pub/scm/linux/kernel/git/ras/ras.git edac-for-next patch link: https://lore.kernel.org/r/20240816164238.1902-5-shiju.jose%40huawei.com patch subject: [PATCH v11 04/14] cxl/mbox: Add GET_SUPPORTED_FEATURES mailbox command config: alpha-randconfig-r131-20240818 (https://download.01.org/0day-ci/archive/20240819/202408190510.dFXq1LrX-lkp@xxxxxxxxx/config) compiler: alpha-linux-gcc (GCC) 13.3.0 reproduce: (https://download.01.org/0day-ci/archive/20240819/202408190510.dFXq1LrX-lkp@xxxxxxxxx/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@xxxxxxxxx> | Closes: https://lore.kernel.org/oe-kbuild-all/202408190510.dFXq1LrX-lkp@xxxxxxxxx/ sparse warnings: (new ones prefixed by >>) >> drivers/cxl/core/mbox.c:1377:26: sparse: sparse: incorrect type in assignment (different base types) @@ expected int nentries @@ got restricted __le16 [usertype] nr_entries @@ drivers/cxl/core/mbox.c:1377:26: sparse: expected int nentries drivers/cxl/core/mbox.c:1377:26: sparse: got restricted __le16 [usertype] nr_entries vim +1377 drivers/cxl/core/mbox.c 1353 1354 int cxl_get_supported_feature_entry(struct cxl_memdev_state *mds, const uuid_t *feat_uuid, 1355 struct cxl_mbox_supp_feat_entry *feat_entry_out) 1356 { 1357 struct cxl_mbox_supp_feat_entry *feat_entry; 1358 int feat_index, feats_out_size; 1359 int nentries, count; 1360 int ret; 1361 1362 feat_index = 0; 1363 feats_out_size = sizeof(struct cxl_mbox_get_supp_feats_out) + 1364 sizeof(struct cxl_mbox_supp_feat_entry); 1365 struct cxl_mbox_get_supp_feats_out *feats_out __free(kfree) = 1366 kmalloc(feats_out_size, GFP_KERNEL); 1367 if (!feats_out) 1368 return -ENOMEM; 1369 1370 while (true) { 1371 memset(feats_out, 0, feats_out_size); 1372 ret = cxl_get_supported_features(mds, feats_out_size, 1373 feat_index, feats_out); 1374 if (ret) 1375 return ret; 1376 > 1377 nentries = feats_out->nr_entries; 1378 if (!nentries) 1379 return -EOPNOTSUPP; 1380 1381 /* Check CXL memdev supports the feature */ 1382 feat_entry = feats_out->feat_entries; 1383 for (count = 0; count < nentries; count++, feat_entry++) { 1384 if (uuid_equal(&feat_entry->uuid, feat_uuid)) { 1385 memcpy(feat_entry_out, feat_entry, 1386 sizeof(*feat_entry_out)); 1387 return 0; 1388 } 1389 } 1390 feat_index += nentries; 1391 } 1392 } 1393 EXPORT_SYMBOL_NS_GPL(cxl_get_supported_feature_entry, CXL); 1394 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki