Hi Julia, kernel test robot noticed the following build warnings: [auto build test WARNING on v6.7-rc6] [also build test WARNING on linus/master] [cannot apply to drm-misc/drm-misc-next drm/drm-next next-20231222] [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/Julia-Zhang/drm-virtio-Implement-RESOURCE_GET_LAYOUT-ioctl/20231222-182142 base: v6.7-rc6 patch link: https://lore.kernel.org/r/20231221100016.4022353-2-julia.zhang%40amd.com patch subject: [PATCH 1/1] drm/virtio: Implement RESOURCE_GET_LAYOUT ioctl config: i386-randconfig-004-20231225 (https://download.01.org/0day-ci/archive/20231225/202312250806.sVSnK275-lkp@xxxxxxxxx/config) compiler: clang version 16.0.4 (https://github.com/llvm/llvm-project.git ae42196bc493ffe877a7e3dff8be32035dea4d07) reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20231225/202312250806.sVSnK275-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/202312250806.sVSnK275-lkp@xxxxxxxxx/ All warnings (new ones prefixed by >>): >> drivers/gpu/drm/virtio/virtgpu_ioctl.c:712:1: warning: unused label 'valid' [-Wunused-label] valid: ^~~~~~ 1 warning generated. vim +/valid +712 drivers/gpu/drm/virtio/virtgpu_ioctl.c 673 674 static int virtio_gpu_resource_query_layout_ioctl(struct drm_device *dev, 675 void *data, 676 struct drm_file *file) 677 { 678 struct drm_virtgpu_resource_query_layout *args = data; 679 struct virtio_gpu_device *vgdev = dev->dev_private; 680 struct drm_gem_object *obj = NULL; 681 struct virtio_gpu_object *bo = NULL; 682 struct virtio_gpu_query_info bo_info = {0}; 683 int ret = 0; 684 int i; 685 686 if (!vgdev->has_resource_query_layout) { 687 DRM_ERROR("failing: no RQL on host\n"); 688 return -EINVAL; 689 } 690 691 if (args->handle > 0) { 692 obj = drm_gem_object_lookup(file, args->handle); 693 if (obj == NULL) { 694 DRM_ERROR("invalid handle 0x%x\n", args->handle); 695 return -ENOENT; 696 } 697 bo = gem_to_virtio_gpu_obj(obj); 698 } 699 700 ret = virtio_gpu_cmd_get_resource_layout(vgdev, &bo_info, args->width, 701 args->height, args->format, 702 args->bind, bo ? bo->hw_res_handle : 0); 703 if (ret) 704 goto out; 705 706 ret = wait_event_timeout(vgdev->resp_wq, 707 atomic_read(&bo_info.is_valid), 708 5 * HZ); 709 if (!ret) 710 goto out; 711 > 712 valid: 713 smp_rmb(); 714 WARN_ON(atomic_read(&bo_info.is_valid)); 715 args->num_planes = bo_info.num_planes; 716 args->modifier = bo_info.modifier; 717 for (i = 0; i < args->num_planes; i++) { 718 args->planes[i].offset = bo_info.planes[i].offset; 719 args->planes[i].stride = bo_info.planes[i].stride; 720 } 721 for (; i < VIRTIO_GPU_MAX_RESOURCE_PLANES; i++) { 722 args->planes[i].offset = 0; 723 args->planes[i].stride = 0; 724 } 725 ret = 0; 726 727 out: 728 if (obj) 729 drm_gem_object_put(obj); 730 return ret; 731 } 732 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki