tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master head: 8ac91e6c6033ebc12c5c1e4aa171b81a662bd70f commit: d936f8182e1bd18f5e9e6c5e8d8b69261200ca96 powerpc/powernv: Fix type of opal_mpipl_query_tag() addr argument date: 4 weeks ago config: powerpc-allyesconfig (attached as .config) compiler: powerpc64-linux-gcc (GCC) 9.3.0 reproduce: wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross chmod +x ~/bin/make.cross # apt-get install sparse # sparse version: v0.6.3-341-g8af24329-dirty # https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit... git remote add linus https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git git fetch --no-tags linus master git checkout d936f8182e1bd18f5e9e6c5e8d8b69261200ca96 # save the attached .config to linux build tree COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross C=1 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__' W=1 ARCH=powerpc If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp(a)intel.com&gt; sparse warnings: (new ones prefixed by >>) arch/powerpc/platforms/powernv/opal-core.c:99:24: sparse: sparse: incorrect type in assignment (different base types) @@ expected unsigned int [usertype] n_namesz @@ got restricted __be32 [usertype] @@ arch/powerpc/platforms/powernv/opal-core.c:99:24: sparse: expected unsigned int [usertype] n_namesz arch/powerpc/platforms/powernv/opal-core.c:99:24: sparse: got restricted __be32 [usertype] arch/powerpc/platforms/powernv/opal-core.c:100:24: sparse: sparse: incorrect type in assignment (different base types) @@ expected unsigned int [usertype] n_descsz @@ got restricted __be32 [usertype] @@ arch/powerpc/platforms/powernv/opal-core.c:100:24: sparse: expected unsigned int [usertype] n_descsz arch/powerpc/platforms/powernv/opal-core.c:100:24: sparse: got restricted __be32 [usertype] arch/powerpc/platforms/powernv/opal-core.c:101:24: sparse: sparse: incorrect type in assignment (different base types) @@ expected unsigned int [usertype] n_type @@ got restricted __be32 [usertype] @@ arch/powerpc/platforms/powernv/opal-core.c:101:24: sparse: expected unsigned int [usertype] n_type arch/powerpc/platforms/powernv/opal-core.c:101:24: sparse: got restricted __be32 [usertype] arch/powerpc/platforms/powernv/opal-core.c:122:34: sparse: sparse: incorrect type in assignment (different base types) @@ expected int [usertype] pr_pid @@ got restricted __be32 [usertype] @@ arch/powerpc/platforms/powernv/opal-core.c:122:34: sparse: expected int [usertype] pr_pid arch/powerpc/platforms/powernv/opal-core.c:122:34: sparse: got restricted __be32 [usertype] arch/powerpc/platforms/powernv/opal-core.c:123:34: sparse: sparse: incorrect type in assignment (different base types) @@ expected int [usertype] pr_ppid @@ got restricted __be32 [usertype] @@ arch/powerpc/platforms/powernv/opal-core.c:123:34: sparse: expected int [usertype] pr_ppid arch/powerpc/platforms/powernv/opal-core.c:123:34: sparse: got restricted __be32 [usertype] arch/powerpc/platforms/powernv/opal-core.c:133:44: sparse: sparse: incorrect type in assignment (different base types) @@ expected short pr_cursig @@ got restricted __be16 [usertype] @@ arch/powerpc/platforms/powernv/opal-core.c:133:44: sparse: expected short pr_cursig arch/powerpc/platforms/powernv/opal-core.c:133:44: sparse: got restricted __be16 [usertype] arch/powerpc/platforms/powernv/opal-core.c:146:21: sparse: sparse: incorrect type in assignment (different base types) @@ expected unsigned long long [usertype] @@ got restricted __be64 [usertype] @@ arch/powerpc/platforms/powernv/opal-core.c:146:21: sparse: expected unsigned long long [usertype] arch/powerpc/platforms/powernv/opal-core.c:146:21: sparse: got restricted __be64 [usertype] arch/powerpc/platforms/powernv/opal-core.c:147:21: sparse: sparse: incorrect type in assignment (different base types) @@ expected unsigned long long [usertype] @@ got restricted __be64 [usertype] @@ arch/powerpc/platforms/powernv/opal-core.c:147:21: sparse: expected unsigned long long [usertype] arch/powerpc/platforms/powernv/opal-core.c:147:21: sparse: got restricted __be64 [usertype] arch/powerpc/platforms/powernv/opal-core.c:150:21: sparse: sparse: incorrect type in assignment (different base types) @@ expected unsigned long long [usertype] @@ got restricted __be64 [usertype] @@ arch/powerpc/platforms/powernv/opal-core.c:150:21: sparse: expected unsigned long long [usertype] arch/powerpc/platforms/powernv/opal-core.c:150:21: sparse: got restricted __be64 [usertype] arch/powerpc/platforms/powernv/opal-core.c:277:17: sparse: sparse: cast to restricted __be64 arch/powerpc/platforms/powernv/opal-core.c:277:17: sparse: sparse: cast to restricted __be64 arch/powerpc/platforms/powernv/opal-core.c:363:21: sparse: sparse: incorrect type in assignment (different base types) @@ expected unsigned short [usertype] e_type @@ got restricted __be16 [usertype] @@ arch/powerpc/platforms/powernv/opal-core.c:363:21: sparse: expected unsigned short [usertype] e_type arch/powerpc/platforms/powernv/opal-core.c:363:21: sparse: got restricted __be16 [usertype] arch/powerpc/platforms/powernv/opal-core.c:364:24: sparse: sparse: incorrect type in assignment (different base types) @@ expected unsigned short [usertype] e_machine @@ got restricted __be16 [usertype] @@ arch/powerpc/platforms/powernv/opal-core.c:364:24: sparse: expected unsigned short [usertype] e_machine arch/powerpc/platforms/powernv/opal-core.c:364:24: sparse: got restricted __be16 [usertype] arch/powerpc/platforms/powernv/opal-core.c:365:24: sparse: sparse: incorrect type in assignment (different base types) @@ expected unsigned int [usertype] e_version @@ got restricted __be32 [usertype] @@ arch/powerpc/platforms/powernv/opal-core.c:365:24: sparse: expected unsigned int [usertype] e_version arch/powerpc/platforms/powernv/opal-core.c:365:24: sparse: got restricted __be32 [usertype] arch/powerpc/platforms/powernv/opal-core.c:367:22: sparse: sparse: incorrect type in assignment (different base types) @@ expected unsigned long long [usertype] e_phoff @@ got restricted __be64 [usertype] @@ arch/powerpc/platforms/powernv/opal-core.c:367:22: sparse: expected unsigned long long [usertype] e_phoff arch/powerpc/platforms/powernv/opal-core.c:367:22: sparse: got restricted __be64 [usertype] arch/powerpc/platforms/powernv/opal-core.c:371:23: sparse: sparse: incorrect type in assignment (different base types) @@ expected unsigned short [usertype] e_ehsize @@ got restricted __be16 [usertype] @@ arch/powerpc/platforms/powernv/opal-core.c:371:23: sparse: expected unsigned short [usertype] e_ehsize arch/powerpc/platforms/powernv/opal-core.c:371:23: sparse: got restricted __be16 [usertype] arch/powerpc/platforms/powernv/opal-core.c:372:26: sparse: sparse: incorrect type in assignment (different base types) @@ expected unsigned short [usertype] e_phentsize @@ got restricted __be16 [usertype] @@ arch/powerpc/platforms/powernv/opal-core.c:372:26: sparse: expected unsigned short [usertype] e_phentsize arch/powerpc/platforms/powernv/opal-core.c:372:26: sparse: got restricted __be16 [usertype] arch/powerpc/platforms/powernv/opal-core.c:380:25: sparse: sparse: incorrect type in assignment (different base types) @@ expected unsigned int [usertype] p_type @@ got restricted __be32 [usertype] @@ arch/powerpc/platforms/powernv/opal-core.c:380:25: sparse: expected unsigned int [usertype] p_type arch/powerpc/platforms/powernv/opal-core.c:380:25: sparse: got restricted __be32 [usertype] arch/powerpc/platforms/powernv/opal-core.c:384:25: sparse: sparse: incorrect type in assignment (different base types) @@ expected unsigned long long [usertype] p_offset @@ got restricted __be64 [usertype] @@ arch/powerpc/platforms/powernv/opal-core.c:384:25: sparse: expected unsigned long long [usertype] p_offset arch/powerpc/platforms/powernv/opal-core.c:384:25: sparse: got restricted __be64 [usertype] arch/powerpc/platforms/powernv/opal-core.c:385:41: sparse: sparse: incorrect type in assignment (different base types) @@ expected unsigned long long [usertype] p_memsz @@ got restricted __be64 [usertype] @@ arch/powerpc/platforms/powernv/opal-core.c:385:41: sparse: expected unsigned long long [usertype] p_memsz arch/powerpc/platforms/powernv/opal-core.c:385:41: sparse: got restricted __be64 [usertype] arch/powerpc/platforms/powernv/opal-core.c:394:33: sparse: sparse: incorrect type in assignment (different base types) @@ expected unsigned int [usertype] p_type @@ got restricted __be32 [usertype] @@ arch/powerpc/platforms/powernv/opal-core.c:394:33: sparse: expected unsigned int [usertype] p_type arch/powerpc/platforms/powernv/opal-core.c:394:33: sparse: got restricted __be32 [usertype] arch/powerpc/platforms/powernv/opal-core.c:395:33: sparse: sparse: incorrect type in assignment (different base types) @@ expected unsigned int [usertype] p_flags @@ got restricted __be32 [usertype] @@ arch/powerpc/platforms/powernv/opal-core.c:395:33: sparse: expected unsigned int [usertype] p_flags arch/powerpc/platforms/powernv/opal-core.c:395:33: sparse: got restricted __be32 [usertype] arch/powerpc/platforms/powernv/opal-core.c:406:33: sparse: sparse: incorrect type in assignment (different base types) @@ expected unsigned long long [usertype] p_paddr @@ got restricted __be64 [usertype] @@ arch/powerpc/platforms/powernv/opal-core.c:406:33: sparse: expected unsigned long long [usertype] p_paddr arch/powerpc/platforms/powernv/opal-core.c:406:33: sparse: got restricted __be64 [usertype] arch/powerpc/platforms/powernv/opal-core.c:407:33: sparse: sparse: incorrect type in assignment (different base types) @@ expected unsigned long long [usertype] p_vaddr @@ got restricted __be64 [usertype] @@ arch/powerpc/platforms/powernv/opal-core.c:407:33: sparse: expected unsigned long long [usertype] p_vaddr arch/powerpc/platforms/powernv/opal-core.c:407:33: sparse: got restricted __be64 [usertype] arch/powerpc/platforms/powernv/opal-core.c:408:50: sparse: sparse: incorrect type in assignment (different base types) @@ expected unsigned long long [usertype] p_memsz @@ got restricted __be64 [usertype] @@ arch/powerpc/platforms/powernv/opal-core.c:408:50: sparse: expected unsigned long long [usertype] p_memsz arch/powerpc/platforms/powernv/opal-core.c:408:50: sparse: got restricted __be64 [usertype] arch/powerpc/platforms/powernv/opal-core.c:410:33: sparse: sparse: incorrect type in assignment (different base types) @@ expected unsigned long long [usertype] p_offset @@ got restricted __be64 [usertype] @@ arch/powerpc/platforms/powernv/opal-core.c:410:33: sparse: expected unsigned long long [usertype] p_offset arch/powerpc/platforms/powernv/opal-core.c:410:33: sparse: got restricted __be64 [usertype] arch/powerpc/platforms/powernv/opal-core.c:417:22: sparse: sparse: incorrect type in assignment (different base types) @@ expected unsigned short [usertype] e_phnum @@ got restricted __be16 [usertype] @@ arch/powerpc/platforms/powernv/opal-core.c:417:22: sparse: expected unsigned short [usertype] e_phnum arch/powerpc/platforms/powernv/opal-core.c:417:22: sparse: got restricted __be16 [usertype] arch/powerpc/platforms/powernv/opal-core.c:476:58: sparse: expected restricted __be64 [usertype] *addr arch/powerpc/platforms/powernv/opal-core.c:476:58: sparse: got unsigned long long * arch/powerpc/platforms/powernv/opal-core.c:482:16: sparse: sparse: cast to restricted __be64 arch/powerpc/platforms/powernv/opal-core.c:487:57: sparse: sparse: incorrect type in argument 2 (different base types) @@ expected restricted __be64 [usertype] *addr @@ got unsigned long long * @@ arch/powerpc/platforms/powernv/opal-core.c:487:57: sparse: expected restricted __be64 [usertype] *addr arch/powerpc/platforms/powernv/opal-core.c:487:57: sparse: got unsigned long long * arch/powerpc/platforms/powernv/opal-core.c:493:16: sparse: sparse: cast to restricted __be64 arch/powerpc/platforms/powernv/opal-core.c: note: in included file: arch/powerpc/platforms/powernv/opal-fadump.h:138:33: sparse: sparse: restricted __be64 degrades to integer vim +476 arch/powerpc/platforms/powernv/opal-core.c 6f713d18144ce8 Hari Bathini 2019-09-11 450 6f713d18144ce8 Hari Bathini 2019-09-11 451 static void __init opalcore_config_init(void) 6f713d18144ce8 Hari Bathini 2019-09-11 452 { 6f713d18144ce8 Hari Bathini 2019-09-11 453 u32 idx, cpu_data_version; 6f713d18144ce8 Hari Bathini 2019-09-11 454 struct device_node *np; 6f713d18144ce8 Hari Bathini 2019-09-11 455 const __be32 *prop; 6f713d18144ce8 Hari Bathini 2019-09-11 456 u64 addr = 0; 6f713d18144ce8 Hari Bathini 2019-09-11 457 int i, ret; 6f713d18144ce8 Hari Bathini 2019-09-11 458 6f713d18144ce8 Hari Bathini 2019-09-11 459 np = of_find_node_by_path("/ibm,opal/dump"); 6f713d18144ce8 Hari Bathini 2019-09-11 460 if (np == NULL) 6f713d18144ce8 Hari Bathini 2019-09-11 461 return; 6f713d18144ce8 Hari Bathini 2019-09-11 462 6f713d18144ce8 Hari Bathini 2019-09-11 463 if (!of_device_is_compatible(np, "ibm,opal-dump")) { 6f713d18144ce8 Hari Bathini 2019-09-11 464 pr_warn("Support missing for this f/w version!\n"); 6f713d18144ce8 Hari Bathini 2019-09-11 465 return; 6f713d18144ce8 Hari Bathini 2019-09-11 466 } 6f713d18144ce8 Hari Bathini 2019-09-11 467 6f713d18144ce8 Hari Bathini 2019-09-11 468 /* Check if dump has been initiated on last reboot */ 6f713d18144ce8 Hari Bathini 2019-09-11 469 prop = of_get_property(np, "mpipl-boot", NULL); 6f713d18144ce8 Hari Bathini 2019-09-11 470 if (!prop) { 6f713d18144ce8 Hari Bathini 2019-09-11 471 of_node_put(np); 6f713d18144ce8 Hari Bathini 2019-09-11 472 return; 6f713d18144ce8 Hari Bathini 2019-09-11 473 } 6f713d18144ce8 Hari Bathini 2019-09-11 474 6f713d18144ce8 Hari Bathini 2019-09-11 475 /* Get OPAL metadata */ 6f713d18144ce8 Hari Bathini 2019-09-11 @476 ret = opal_mpipl_query_tag(OPAL_MPIPL_TAG_OPAL, &addr); 6f713d18144ce8 Hari Bathini 2019-09-11 477 if ((ret != OPAL_SUCCESS) || !addr) { 6f713d18144ce8 Hari Bathini 2019-09-11 478 pr_err("Failed to get OPAL metadata (%d)\n", ret); 6f713d18144ce8 Hari Bathini 2019-09-11 479 goto error_out; 6f713d18144ce8 Hari Bathini 2019-09-11 480 } 6f713d18144ce8 Hari Bathini 2019-09-11 481 6f713d18144ce8 Hari Bathini 2019-09-11 482 addr = be64_to_cpu(addr); 6f713d18144ce8 Hari Bathini 2019-09-11 483 pr_debug("OPAL metadata addr: %llx\n", addr); 6f713d18144ce8 Hari Bathini 2019-09-11 484 opalc_metadata = __va(addr); 6f713d18144ce8 Hari Bathini 2019-09-11 485 6f713d18144ce8 Hari Bathini 2019-09-11 486 /* Get OPAL CPU metadata */ 6f713d18144ce8 Hari Bathini 2019-09-11 487 ret = opal_mpipl_query_tag(OPAL_MPIPL_TAG_CPU, &addr); 6f713d18144ce8 Hari Bathini 2019-09-11 488 if ((ret != OPAL_SUCCESS) || !addr) { 6f713d18144ce8 Hari Bathini 2019-09-11 489 pr_err("Failed to get OPAL CPU metadata (%d)\n", ret); 6f713d18144ce8 Hari Bathini 2019-09-11 490 goto error_out; 6f713d18144ce8 Hari Bathini 2019-09-11 491 } 6f713d18144ce8 Hari Bathini 2019-09-11 492 6f713d18144ce8 Hari Bathini 2019-09-11 493 addr = be64_to_cpu(addr); 6f713d18144ce8 Hari Bathini 2019-09-11 494 pr_debug("CPU metadata addr: %llx\n", addr); 6f713d18144ce8 Hari Bathini 2019-09-11 495 opalc_cpu_metadata = __va(addr); 6f713d18144ce8 Hari Bathini 2019-09-11 496 6f713d18144ce8 Hari Bathini 2019-09-11 497 /* Allocate memory for config buffer */ 6f713d18144ce8 Hari Bathini 2019-09-11 498 oc_conf = kzalloc(sizeof(struct opalcore_config), GFP_KERNEL); 6f713d18144ce8 Hari Bathini 2019-09-11 499 if (oc_conf == NULL) 6f713d18144ce8 Hari Bathini 2019-09-11 500 goto error_out; 6f713d18144ce8 Hari Bathini 2019-09-11 501 6f713d18144ce8 Hari Bathini 2019-09-11 502 /* Parse OPAL metadata */ 6f713d18144ce8 Hari Bathini 2019-09-11 503 if (opalc_metadata->version != OPAL_MPIPL_VERSION) { 6f713d18144ce8 Hari Bathini 2019-09-11 504 pr_warn("Supported OPAL metadata version: %u, found: %u!\n", 6f713d18144ce8 Hari Bathini 2019-09-11 505 OPAL_MPIPL_VERSION, opalc_metadata->version); 6f713d18144ce8 Hari Bathini 2019-09-11 506 pr_warn("WARNING: F/W using newer OPAL metadata format!!\n"); 6f713d18144ce8 Hari Bathini 2019-09-11 507 } 6f713d18144ce8 Hari Bathini 2019-09-11 508 6f713d18144ce8 Hari Bathini 2019-09-11 509 oc_conf->ptload_cnt = 0; 6f713d18144ce8 Hari Bathini 2019-09-11 510 idx = be32_to_cpu(opalc_metadata->region_cnt); 6f713d18144ce8 Hari Bathini 2019-09-11 511 if (idx > MAX_PT_LOAD_CNT) { 6f713d18144ce8 Hari Bathini 2019-09-11 512 pr_warn("WARNING: OPAL regions count (%d) adjusted to limit (%d)", 8ec5cb12cd957e Qinglang Miao 2020-09-16 513 idx, MAX_PT_LOAD_CNT); 6f713d18144ce8 Hari Bathini 2019-09-11 514 idx = MAX_PT_LOAD_CNT; 6f713d18144ce8 Hari Bathini 2019-09-11 515 } 6f713d18144ce8 Hari Bathini 2019-09-11 516 for (i = 0; i < idx; i++) { 6f713d18144ce8 Hari Bathini 2019-09-11 517 oc_conf->ptload_addr[oc_conf->ptload_cnt] = 6f713d18144ce8 Hari Bathini 2019-09-11 518 be64_to_cpu(opalc_metadata->region[i].dest); 6f713d18144ce8 Hari Bathini 2019-09-11 519 oc_conf->ptload_size[oc_conf->ptload_cnt++] = 6f713d18144ce8 Hari Bathini 2019-09-11 520 be64_to_cpu(opalc_metadata->region[i].size); 6f713d18144ce8 Hari Bathini 2019-09-11 521 } 6f713d18144ce8 Hari Bathini 2019-09-11 522 oc_conf->ptload_cnt = i; 6f713d18144ce8 Hari Bathini 2019-09-11 523 oc_conf->crashing_cpu = be32_to_cpu(opalc_metadata->crashing_pir); 6f713d18144ce8 Hari Bathini 2019-09-11 524 6f713d18144ce8 Hari Bathini 2019-09-11 525 if (!oc_conf->ptload_cnt) { 6f713d18144ce8 Hari Bathini 2019-09-11 526 pr_err("OPAL memory regions not found\n"); 6f713d18144ce8 Hari Bathini 2019-09-11 527 goto error_out; 6f713d18144ce8 Hari Bathini 2019-09-11 528 } 6f713d18144ce8 Hari Bathini 2019-09-11 529 6f713d18144ce8 Hari Bathini 2019-09-11 530 /* Parse OPAL CPU metadata */ 6f713d18144ce8 Hari Bathini 2019-09-11 531 cpu_data_version = be32_to_cpu(opalc_cpu_metadata->cpu_data_version); 6f713d18144ce8 Hari Bathini 2019-09-11 532 if (cpu_data_version != HDAT_FADUMP_CPU_DATA_VER) { 6f713d18144ce8 Hari Bathini 2019-09-11 533 pr_warn("Supported CPU data version: %u, found: %u!\n", 6f713d18144ce8 Hari Bathini 2019-09-11 534 HDAT_FADUMP_CPU_DATA_VER, cpu_data_version); 6f713d18144ce8 Hari Bathini 2019-09-11 535 pr_warn("WARNING: F/W using newer CPU state data format!!\n"); 6f713d18144ce8 Hari Bathini 2019-09-11 536 } 6f713d18144ce8 Hari Bathini 2019-09-11 537 6f713d18144ce8 Hari Bathini 2019-09-11 538 addr = be64_to_cpu(opalc_cpu_metadata->region[0].dest); 6f713d18144ce8 Hari Bathini 2019-09-11 539 if (!addr) { 6f713d18144ce8 Hari Bathini 2019-09-11 540 pr_err("CPU state data not found!\n"); 6f713d18144ce8 Hari Bathini 2019-09-11 541 goto error_out; 6f713d18144ce8 Hari Bathini 2019-09-11 542 } 6f713d18144ce8 Hari Bathini 2019-09-11 543 oc_conf->cpu_state_destination_vaddr = (u64)__va(addr); 6f713d18144ce8 Hari Bathini 2019-09-11 544 6f713d18144ce8 Hari Bathini 2019-09-11 545 oc_conf->cpu_state_data_size = 6f713d18144ce8 Hari Bathini 2019-09-11 546 be64_to_cpu(opalc_cpu_metadata->region[0].size); 6f713d18144ce8 Hari Bathini 2019-09-11 547 oc_conf->cpu_state_entry_size = 6f713d18144ce8 Hari Bathini 2019-09-11 548 be32_to_cpu(opalc_cpu_metadata->cpu_data_size); 6f713d18144ce8 Hari Bathini 2019-09-11 549 6f713d18144ce8 Hari Bathini 2019-09-11 550 if ((oc_conf->cpu_state_entry_size == 0) || 6f713d18144ce8 Hari Bathini 2019-09-11 551 (oc_conf->cpu_state_entry_size > oc_conf->cpu_state_data_size)) { 6f713d18144ce8 Hari Bathini 2019-09-11 552 pr_err("CPU state data is invalid.\n"); 6f713d18144ce8 Hari Bathini 2019-09-11 553 goto error_out; 6f713d18144ce8 Hari Bathini 2019-09-11 554 } 6f713d18144ce8 Hari Bathini 2019-09-11 555 oc_conf->num_cpus = (oc_conf->cpu_state_data_size / 6f713d18144ce8 Hari Bathini 2019-09-11 556 oc_conf->cpu_state_entry_size); 6f713d18144ce8 Hari Bathini 2019-09-11 557 6f713d18144ce8 Hari Bathini 2019-09-11 558 of_node_put(np); 6f713d18144ce8 Hari Bathini 2019-09-11 559 return; 6f713d18144ce8 Hari Bathini 2019-09-11 560 6f713d18144ce8 Hari Bathini 2019-09-11 561 error_out: 6f713d18144ce8 Hari Bathini 2019-09-11 562 pr_err("Could not export /sys/firmware/opal/core\n"); 6f713d18144ce8 Hari Bathini 2019-09-11 563 opalcore_cleanup(); 6f713d18144ce8 Hari Bathini 2019-09-11 564 of_node_put(np); 6f713d18144ce8 Hari Bathini 2019-09-11 565 } 6f713d18144ce8 Hari Bathini 2019-09-11 566 :::::: The code at line 476 was first introduced by commit :::::: 6f713d18144ce86c9f01cdf64222d6339e26129e powerpc/opalcore: export /sys/firmware/opal/core for analysing opal crashes :::::: TO: Hari Bathini <hbathini(a)linux.vnet.ibm.com&gt; :::::: CC: Michael Ellerman <mpe(a)ellerman.id.au&gt; --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org