tree: https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git master head: b3a3cbdec55b090d22a09f75efb7c7d34cb97f25 commit: 8772c0bb58bbf98a6fdd94ddb67e23468a4338bd [3610/3956] drm/vmwgfx: Cleanup pci resource allocation config: i386-randconfig-m021-20210118 (attached as .config) compiler: gcc-9 (Debian 9.3.0-15) 9.3.0 If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp(a)intel.com&gt; Reported-by: Dan Carpenter <dan.carpenter(a)oracle.com&gt; New smatch warnings: drivers/gpu/drm/vmwgfx/vmwgfx_drv.c:661 vmw_setup_pci_resources() warn: 'pdev' not released on lines: 674. vim +/pdev +661 drivers/gpu/drm/vmwgfx/vmwgfx_drv.c 8772c0bb58bbf98a Zack Rusin 2020-11-04 645 static int vmw_setup_pci_resources(struct vmw_private *dev, 8772c0bb58bbf98a Zack Rusin 2020-11-04 646 unsigned long pci_id) fb1d9738ca053ea8 Jakob Bornecrantz 2009-12-10 647 { 8772c0bb58bbf98a Zack Rusin 2020-11-04 648 resource_size_t fifo_start; 8772c0bb58bbf98a Zack Rusin 2020-11-04 649 resource_size_t fifo_size; fb1d9738ca053ea8 Jakob Bornecrantz 2009-12-10 650 int ret; 8772c0bb58bbf98a Zack Rusin 2020-11-04 651 struct pci_dev *pdev = to_pci_dev(dev->drm.dev); 8772c0bb58bbf98a Zack Rusin 2020-11-04 652 8772c0bb58bbf98a Zack Rusin 2020-11-04 653 pci_set_master(pdev); 8772c0bb58bbf98a Zack Rusin 2020-11-04 654 8772c0bb58bbf98a Zack Rusin 2020-11-04 655 ret = pci_request_regions(pdev, "vmwgfx probe"); 8772c0bb58bbf98a Zack Rusin 2020-11-04 656 if (ret) 8772c0bb58bbf98a Zack Rusin 2020-11-04 657 return ret; 8772c0bb58bbf98a Zack Rusin 2020-11-04 658 8772c0bb58bbf98a Zack Rusin 2020-11-04 659 dev->io_start = pci_resource_start(pdev, 0); 8772c0bb58bbf98a Zack Rusin 2020-11-04 660 dev->vram_start = pci_resource_start(pdev, 1); 8772c0bb58bbf98a Zack Rusin 2020-11-04 @661 dev->vram_size = pci_resource_len(pdev, 1); 8772c0bb58bbf98a Zack Rusin 2020-11-04 662 fifo_start = pci_resource_start(pdev, 2); 8772c0bb58bbf98a Zack Rusin 2020-11-04 663 fifo_size = pci_resource_len(pdev, 2); 8772c0bb58bbf98a Zack Rusin 2020-11-04 664 8772c0bb58bbf98a Zack Rusin 2020-11-04 665 DRM_INFO("FIFO at %pa size is %llu kiB\n", 8772c0bb58bbf98a Zack Rusin 2020-11-04 666 &fifo_start, (uint64_t)fifo_size / 1024); 8772c0bb58bbf98a Zack Rusin 2020-11-04 667 dev->fifo_mem = devm_memremap(dev->drm.dev, 8772c0bb58bbf98a Zack Rusin 2020-11-04 668 fifo_start, 8772c0bb58bbf98a Zack Rusin 2020-11-04 669 fifo_size, 8772c0bb58bbf98a Zack Rusin 2020-11-04 670 MEMREMAP_WB); 8772c0bb58bbf98a Zack Rusin 2020-11-04 671 8772c0bb58bbf98a Zack Rusin 2020-11-04 672 if (unlikely(dev->fifo_mem == NULL)) { 8772c0bb58bbf98a Zack Rusin 2020-11-04 673 DRM_ERROR("Failed mapping FIFO memory.\n"); pci_release_regions() 8772c0bb58bbf98a Zack Rusin 2020-11-04 674 return -ENOMEM; 8772c0bb58bbf98a Zack Rusin 2020-11-04 675 } 8772c0bb58bbf98a Zack Rusin 2020-11-04 676 8772c0bb58bbf98a Zack Rusin 2020-11-04 677 /* 8772c0bb58bbf98a Zack Rusin 2020-11-04 678 * This is approximate size of the vram, the exact size will only 8772c0bb58bbf98a Zack Rusin 2020-11-04 679 * be known after we read SVGA_REG_VRAM_SIZE. The PCI resource 8772c0bb58bbf98a Zack Rusin 2020-11-04 680 * size will be equal to or bigger than the size reported by 8772c0bb58bbf98a Zack Rusin 2020-11-04 681 * SVGA_REG_VRAM_SIZE. 8772c0bb58bbf98a Zack Rusin 2020-11-04 682 */ 8772c0bb58bbf98a Zack Rusin 2020-11-04 683 DRM_INFO("VRAM at %pa size is %llu kiB\n", 8772c0bb58bbf98a Zack Rusin 2020-11-04 684 &dev->vram_start, (uint64_t)dev->vram_size / 1024); 8772c0bb58bbf98a Zack Rusin 2020-11-04 685 8772c0bb58bbf98a Zack Rusin 2020-11-04 686 return 0; 8772c0bb58bbf98a Zack Rusin 2020-11-04 687 } --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org