[android-common:android-4.14-stable 22/22] drivers/gpu/drm/virtio/virtgpu_vq.c:1130:23: sparse: sparse: incorrect type in assignment (different base types)

* [android-common:android-4.14-stable 22/22] drivers/gpu/drm/virtio/virtgpu_vq.c:1130:23: sparse: sparse: incorrect type in assignment (different base types)
@ 2021-07-29 11:05 kernel test robot
  0 siblings, 0 replies; 6+ messages in thread
From: kernel test robot @ 2021-07-29 11:05 UTC (permalink / raw)
  To: kbuild-all

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tree:   https://android.googlesource.com/kernel/common android-4.14-stable
head:   4d701a3899580b291122ab7b147bc20981afd349
commit: 4d701a3899580b291122ab7b147bc20981afd349 [22/22] CHROMIUM: drm/virtio: rebase zero-copy patches to virgl/drm-misc-next
config: x86_64-rhel-8.3-kselftests (attached as .config)
compiler: gcc-10 (Ubuntu 10.3.0-1ubuntu1~20.04) 10.3.0
reproduce:
        # apt-get install sparse
        # sparse version: v0.6.3-341-g8af24329-dirty
        git remote add android-common https://android.googlesource.com/kernel/common
        git fetch --no-tags android-common android-4.14-stable
        git checkout 4d701a3899580b291122ab7b147bc20981afd349
        # save the attached .config to linux build tree
        make W=1 C=1 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__' ARCH=x86_64 

If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp@intel.com>


sparse warnings: (new ones prefixed by >>)
   drivers/gpu/drm/virtio/virtgpu_vq.c:200:33: sparse: sparse: restricted __le32 degrades to integer
   drivers/gpu/drm/virtio/virtgpu_vq.c:200:43: sparse: sparse: restricted __le32 degrades to integer
>> drivers/gpu/drm/virtio/virtgpu_vq.c:1130:23: sparse: sparse: incorrect type in assignment (different base types) @@     expected restricted __le64 [usertype] offset @@     got unsigned long long [usertype] offset @@
   drivers/gpu/drm/virtio/virtgpu_vq.c:1130:23: sparse:     expected restricted __le64 [usertype] offset
   drivers/gpu/drm/virtio/virtgpu_vq.c:1130:23: sparse:     got unsigned long long [usertype] offset
   In file included from include/linux/workqueue.h:9,
                    from include/linux/srcu.h:34,
                    from include/linux/notifier.h:16,
                    from include/linux/memory_hotplug.h:7,
                    from include/linux/mmzone.h:786,
                    from include/linux/gfp.h:6,
                    from include/linux/idr.h:16,
                    from include/linux/kernfs.h:14,
                    from include/linux/sysfs.h:16,
                    from include/linux/kobject.h:21,
                    from include/linux/cdev.h:5,
                    from include/drm/drmP.h:36,
                    from drivers/gpu/drm/virtio/virtgpu_vq.c:29:
   include/linux/timer.h: In function 'timer_setup':
   include/linux/timer.h:179:23: warning: cast between incompatible function types from 'void (*)(struct timer_list *)' to 'void (*)(long unsigned int)' [-Wcast-function-type]
     179 |  __setup_timer(timer, (TIMER_FUNC_TYPE)callback,
         |                       ^
   include/linux/timer.h:144:25: note: in definition of macro '__setup_timer'
     144 |   (_timer)->function = (_fn);    25-      |                         ^~~

vim +1130 drivers/gpu/drm/virtio/virtgpu_vq.c

  1107	
  1108	void virtio_gpu_cmd_map(struct virtio_gpu_device *vgdev,
  1109				struct virtio_gpu_object *bo,
  1110				uint64_t offset,
  1111				struct virtio_gpu_fence *fence)
  1112	{
  1113		struct virtio_gpu_resource_map *cmd_p;
  1114		struct virtio_gpu_vbuffer *vbuf;
  1115		struct virtio_gpu_resp_map_info *resp_buf;
  1116	
  1117		resp_buf = kzalloc(sizeof(*resp_buf), GFP_KERNEL);
  1118		if (!resp_buf) {
  1119			DRM_ERROR("allocation failure\n");
  1120			return;
  1121		}
  1122	
  1123		cmd_p = virtio_gpu_alloc_cmd_resp(vgdev,
  1124			virtio_gpu_cmd_resource_map_cb, &vbuf, sizeof(*cmd_p),
  1125			sizeof(struct virtio_gpu_resp_map_info), resp_buf);
  1126		memset(cmd_p, 0, sizeof(*cmd_p));
  1127	
  1128		cmd_p->hdr.type = cpu_to_le32(VIRTIO_GPU_CMD_RESOURCE_MAP);
  1129		cmd_p->resource_id = cpu_to_le32(bo->hw_res_handle);
> 1130		cmd_p->offset = offset;
  1131	
  1132		virtio_gpu_queue_fenced_ctrl_buffer(vgdev, vbuf, &cmd_p->hdr, fence);
  1133	}
  1134	

---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all(a)lists.01.org

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