tree: https://github.com/thierryreding/linux for-5.9/dt-bindings head: a8e9533e6a32026d9f747d0364c5f486fcf2f762 commit: 620cff738f6aa3b4da5ddfae5a9ef4a1812a63c7 [162/166] gpu: host1x: Register child devices config: arm64-randconfig-r026-20200612 (attached as .config) compiler: clang version 11.0.0 (https://github.com/llvm/llvm-project d7e6f116f4517952fbdf5ad4b5ff67e378600c60) reproduce (this is a W=1 build): wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross chmod +x ~/bin/make.cross # install arm64 cross compiling tool for clang build # apt-get install binutils-aarch64-linux-gnu git checkout 620cff738f6aa3b4da5ddfae5a9ef4a1812a63c7 # save the attached .config to linux build tree COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross ARCH=arm64 If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp(a)intel.com&gt; All errors (new ones prefixed by >>, old ones prefixed by <<): goto deinit_debugfs; ^ 1 error generated. vim +/deinit_debugfs +471 drivers/gpu/host1x/dev.c 06867a362de08f Thierry Reding 2019-10-28 343 754716874389cc Terje Bergstrom 2013-03-22 344 static int host1x_probe(struct platform_device *pdev) 754716874389cc Terje Bergstrom 2013-03-22 345 { 754716874389cc Terje Bergstrom 2013-03-22 346 struct host1x *host; f1b53c4e2c08cb Mikko Perttunen 2017-09-05 347 struct resource *regs, *hv_regs = NULL; 754716874389cc Terje Bergstrom 2013-03-22 348 int syncpt_irq; 754716874389cc Terje Bergstrom 2013-03-22 349 int err; 754716874389cc Terje Bergstrom 2013-03-22 350 6a341fdff16e13 Thierry Reding 2017-08-21 351 host = devm_kzalloc(&pdev->dev, sizeof(*host), GFP_KERNEL); 6a341fdff16e13 Thierry Reding 2017-08-21 352 if (!host) 6a341fdff16e13 Thierry Reding 2017-08-21 353 return -ENOMEM; 6a341fdff16e13 Thierry Reding 2017-08-21 354 6a341fdff16e13 Thierry Reding 2017-08-21 355 host->info = of_device_get_match_data(&pdev->dev); 754716874389cc Terje Bergstrom 2013-03-22 356 f1b53c4e2c08cb Mikko Perttunen 2017-09-05 357 if (host->info->has_hypervisor) { f1b53c4e2c08cb Mikko Perttunen 2017-09-05 358 regs = platform_get_resource_byname(pdev, IORESOURCE_MEM, "vm"); f1b53c4e2c08cb Mikko Perttunen 2017-09-05 359 if (!regs) { f1b53c4e2c08cb Mikko Perttunen 2017-09-05 360 dev_err(&pdev->dev, "failed to get vm registers\n"); f1b53c4e2c08cb Mikko Perttunen 2017-09-05 361 return -ENXIO; f1b53c4e2c08cb Mikko Perttunen 2017-09-05 362 } f1b53c4e2c08cb Mikko Perttunen 2017-09-05 363 f1b53c4e2c08cb Mikko Perttunen 2017-09-05 364 hv_regs = platform_get_resource_byname(pdev, IORESOURCE_MEM, f1b53c4e2c08cb Mikko Perttunen 2017-09-05 365 "hypervisor"); f1b53c4e2c08cb Mikko Perttunen 2017-09-05 366 if (!hv_regs) { f1b53c4e2c08cb Mikko Perttunen 2017-09-05 367 dev_err(&pdev->dev, f1b53c4e2c08cb Mikko Perttunen 2017-09-05 368 "failed to get hypervisor registers\n"); f1b53c4e2c08cb Mikko Perttunen 2017-09-05 369 return -ENXIO; f1b53c4e2c08cb Mikko Perttunen 2017-09-05 370 } f1b53c4e2c08cb Mikko Perttunen 2017-09-05 371 } else { 754716874389cc Terje Bergstrom 2013-03-22 372 regs = platform_get_resource(pdev, IORESOURCE_MEM, 0); 754716874389cc Terje Bergstrom 2013-03-22 373 if (!regs) { 754716874389cc Terje Bergstrom 2013-03-22 374 dev_err(&pdev->dev, "failed to get registers\n"); 754716874389cc Terje Bergstrom 2013-03-22 375 return -ENXIO; 754716874389cc Terje Bergstrom 2013-03-22 376 } f1b53c4e2c08cb Mikko Perttunen 2017-09-05 377 } 754716874389cc Terje Bergstrom 2013-03-22 378 754716874389cc Terje Bergstrom 2013-03-22 379 syncpt_irq = platform_get_irq(pdev, 0); 033ccdb7f6b117 YueHaibing 2019-11-02 380 if (syncpt_irq < 0) 7b2c63de20080c Gustavo A. R. Silva 2017-08-08 381 return syncpt_irq; 754716874389cc Terje Bergstrom 2013-03-22 382 776dc38403676f Thierry Reding 2013-10-14 383 mutex_init(&host->devices_lock); 776dc38403676f Thierry Reding 2013-10-14 384 INIT_LIST_HEAD(&host->devices); 776dc38403676f Thierry Reding 2013-10-14 385 INIT_LIST_HEAD(&host->list); 754716874389cc Terje Bergstrom 2013-03-22 386 host->dev = &pdev->dev; 754716874389cc Terje Bergstrom 2013-03-22 387 754716874389cc Terje Bergstrom 2013-03-22 388 /* set common host1x device data */ 754716874389cc Terje Bergstrom 2013-03-22 389 platform_set_drvdata(pdev, host); 754716874389cc Terje Bergstrom 2013-03-22 390 754716874389cc Terje Bergstrom 2013-03-22 391 host->regs = devm_ioremap_resource(&pdev->dev, regs); 754716874389cc Terje Bergstrom 2013-03-22 392 if (IS_ERR(host->regs)) 754716874389cc Terje Bergstrom 2013-03-22 393 return PTR_ERR(host->regs); 754716874389cc Terje Bergstrom 2013-03-22 394 f1b53c4e2c08cb Mikko Perttunen 2017-09-05 395 if (host->info->has_hypervisor) { f1b53c4e2c08cb Mikko Perttunen 2017-09-05 396 host->hv_regs = devm_ioremap_resource(&pdev->dev, hv_regs); f1b53c4e2c08cb Mikko Perttunen 2017-09-05 397 if (IS_ERR(host->hv_regs)) f1b53c4e2c08cb Mikko Perttunen 2017-09-05 398 return PTR_ERR(host->hv_regs); f1b53c4e2c08cb Mikko Perttunen 2017-09-05 399 } f1b53c4e2c08cb Mikko Perttunen 2017-09-05 400 d98914ebc2af45 Thierry Reding 2019-09-09 401 host->dev->dma_parms = &host->dma_parms; d98914ebc2af45 Thierry Reding 2019-09-09 402 dma_set_max_seg_size(host->dev, UINT_MAX); d98914ebc2af45 Thierry Reding 2019-09-09 403 754716874389cc Terje Bergstrom 2013-03-22 404 if (host->info->init) { 754716874389cc Terje Bergstrom 2013-03-22 405 err = host->info->init(host); 754716874389cc Terje Bergstrom 2013-03-22 406 if (err) 754716874389cc Terje Bergstrom 2013-03-22 407 return err; 754716874389cc Terje Bergstrom 2013-03-22 408 } 754716874389cc Terje Bergstrom 2013-03-22 409 754716874389cc Terje Bergstrom 2013-03-22 410 host->clk = devm_clk_get(&pdev->dev, NULL); 754716874389cc Terje Bergstrom 2013-03-22 411 if (IS_ERR(host->clk)) { 754716874389cc Terje Bergstrom 2013-03-22 412 err = PTR_ERR(host->clk); 4bb923e8075f3a Thierry Reding 2019-06-04 413 4bb923e8075f3a Thierry Reding 2019-06-04 414 if (err != -EPROBE_DEFER) 4bb923e8075f3a Thierry Reding 2019-06-04 415 dev_err(&pdev->dev, "failed to get clock: %d\n", err); 4bb923e8075f3a Thierry Reding 2019-06-04 416 754716874389cc Terje Bergstrom 2013-03-22 417 return err; 754716874389cc Terje Bergstrom 2013-03-22 418 } 754716874389cc Terje Bergstrom 2013-03-22 419 b386c6b73ac6c2 Thierry Reding 2017-03-21 420 host->rst = devm_reset_control_get(&pdev->dev, "host1x"); b386c6b73ac6c2 Thierry Reding 2017-03-21 421 if (IS_ERR(host->rst)) { 59e04bc20de4bd Christophe JAILLET 2017-04-10 422 err = PTR_ERR(host->rst); b386c6b73ac6c2 Thierry Reding 2017-03-21 423 dev_err(&pdev->dev, "failed to get reset: %d\n", err); b386c6b73ac6c2 Thierry Reding 2017-03-21 424 return err; b386c6b73ac6c2 Thierry Reding 2017-03-21 425 } af1cbfb9bf0fe0 Thierry Reding 2019-10-28 426 06867a362de08f Thierry Reding 2019-10-28 427 err = host1x_iommu_init(host); 06867a362de08f Thierry Reding 2019-10-28 428 if (err < 0) { 06867a362de08f Thierry Reding 2019-10-28 429 dev_err(&pdev->dev, "failed to setup IOMMU: %d\n", err); 06867a362de08f Thierry Reding 2019-10-28 430 return err; 404bfb78daf3be Mikko Perttunen 2016-12-14 431 } 404bfb78daf3be Mikko Perttunen 2016-12-14 432 8474b02531c488 Mikko Perttunen 2017-06-15 433 err = host1x_channel_list_init(&host->channel_list, 8474b02531c488 Mikko Perttunen 2017-06-15 434 host->info->nb_channels); 6579324a41cc41 Terje Bergstrom 2013-03-22 435 if (err) { 6579324a41cc41 Terje Bergstrom 2013-03-22 436 dev_err(&pdev->dev, "failed to initialize channel list\n"); 06867a362de08f Thierry Reding 2019-10-28 437 goto iommu_exit; 6579324a41cc41 Terje Bergstrom 2013-03-22 438 } 6579324a41cc41 Terje Bergstrom 2013-03-22 439 754716874389cc Terje Bergstrom 2013-03-22 440 err = clk_prepare_enable(host->clk); 754716874389cc Terje Bergstrom 2013-03-22 441 if (err < 0) { 754716874389cc Terje Bergstrom 2013-03-22 442 dev_err(&pdev->dev, "failed to enable clock\n"); 06867a362de08f Thierry Reding 2019-10-28 443 goto free_channels; 754716874389cc Terje Bergstrom 2013-03-22 444 } 754716874389cc Terje Bergstrom 2013-03-22 445 b386c6b73ac6c2 Thierry Reding 2017-03-21 446 err = reset_control_deassert(host->rst); b386c6b73ac6c2 Thierry Reding 2017-03-21 447 if (err < 0) { b386c6b73ac6c2 Thierry Reding 2017-03-21 448 dev_err(&pdev->dev, "failed to deassert reset: %d\n", err); 06867a362de08f Thierry Reding 2019-10-28 449 goto unprepare_disable; b386c6b73ac6c2 Thierry Reding 2017-03-21 450 } b386c6b73ac6c2 Thierry Reding 2017-03-21 451 754716874389cc Terje Bergstrom 2013-03-22 452 err = host1x_syncpt_init(host); 754716874389cc Terje Bergstrom 2013-03-22 453 if (err) { 754716874389cc Terje Bergstrom 2013-03-22 454 dev_err(&pdev->dev, "failed to initialize syncpts\n"); 06867a362de08f Thierry Reding 2019-10-28 455 goto reset_assert; 754716874389cc Terje Bergstrom 2013-03-22 456 } 754716874389cc Terje Bergstrom 2013-03-22 457 7ede0b0bf3e259 Terje Bergstrom 2013-03-22 458 err = host1x_intr_init(host, syncpt_irq); 7ede0b0bf3e259 Terje Bergstrom 2013-03-22 459 if (err) { 7ede0b0bf3e259 Terje Bergstrom 2013-03-22 460 dev_err(&pdev->dev, "failed to initialize interrupts\n"); 06867a362de08f Thierry Reding 2019-10-28 461 goto deinit_syncpt; 7ede0b0bf3e259 Terje Bergstrom 2013-03-22 462 } 7ede0b0bf3e259 Terje Bergstrom 2013-03-22 463 6236451d83a720 Terje Bergstrom 2013-03-22 464 host1x_debug_init(host); 6236451d83a720 Terje Bergstrom 2013-03-22 465 6841482b82e5ba Thierry Reding 2019-02-01 466 if (host->info->has_hypervisor) 6841482b82e5ba Thierry Reding 2019-02-01 467 host1x_setup_sid_table(host); 6841482b82e5ba Thierry Reding 2019-02-01 468 776dc38403676f Thierry Reding 2013-10-14 469 err = host1x_register(host); 776dc38403676f Thierry Reding 2013-10-14 470 if (err < 0) f3fc6ea68bb909 Christophe JAILLET 2020-04-26 @471 goto deinit_debugfs; 692e6d7be80992 Terje Bergstrom 2013-03-22 472 620cff738f6aa3 Thierry Reding 2020-06-12 473 err = devm_of_platform_populate(&pdev->dev); 620cff738f6aa3 Thierry Reding 2020-06-12 474 if (err < 0) 620cff738f6aa3 Thierry Reding 2020-06-12 475 goto unregister; 620cff738f6aa3 Thierry Reding 2020-06-12 476 754716874389cc Terje Bergstrom 2013-03-22 477 return 0; 7ede0b0bf3e259 Terje Bergstrom 2013-03-22 478 620cff738f6aa3 Thierry Reding 2020-06-12 479 unregister: 620cff738f6aa3 Thierry Reding 2020-06-12 480 host1x_unregister(host); 620cff738f6aa3 Thierry Reding 2020-06-12 481 deinit_intr: f3fc6ea68bb909 Christophe JAILLET 2020-04-26 482 host1x_debug_deinit(host); 776dc38403676f Thierry Reding 2013-10-14 483 host1x_intr_deinit(host); 06867a362de08f Thierry Reding 2019-10-28 484 deinit_syncpt: 7ede0b0bf3e259 Terje Bergstrom 2013-03-22 485 host1x_syncpt_deinit(host); 06867a362de08f Thierry Reding 2019-10-28 486 reset_assert: b386c6b73ac6c2 Thierry Reding 2017-03-21 487 reset_control_assert(host->rst); 06867a362de08f Thierry Reding 2019-10-28 488 unprepare_disable: 9c78c4c38e2c18 Wei Yongjun 2013-10-21 489 clk_disable_unprepare(host->clk); 06867a362de08f Thierry Reding 2019-10-28 490 free_channels: 8474b02531c488 Mikko Perttunen 2017-06-15 491 host1x_channel_list_free(&host->channel_list); 06867a362de08f Thierry Reding 2019-10-28 492 iommu_exit: 06867a362de08f Thierry Reding 2019-10-28 493 host1x_iommu_exit(host); 404bfb78daf3be Mikko Perttunen 2016-12-14 494 7ede0b0bf3e259 Terje Bergstrom 2013-03-22 495 return err; 754716874389cc Terje Bergstrom 2013-03-22 496 } 754716874389cc Terje Bergstrom 2013-03-22 497 :::::: The code at line 471 was first introduced by commit :::::: f3fc6ea68bb9092594d015f36b94e3d830f0a04e gpu: host1x: Clean up debugfs in error handling path :::::: TO: Christophe JAILLET <christophe.jaillet(a)wanadoo.fr&gt; :::::: CC: Thierry Reding <treding(a)nvidia.com&gt; --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org