[krzk-github:for-next/samsung-exynos-name-v2-rebased 8034/9999] drivers/gpu/drm/amd/amdgpu/../amdkfd/kfd_smi_events.c:68:14: sparse: sparse: incorrect type in assignment (different base types)

[krzk-github:for-next/samsung-exynos-name-v2-rebased 8034/9999] drivers/gpu/drm/amd/amdgpu/../amdkfd/kfd_smi_events.c:68:14: sparse: sparse: incorrect type in assignment (different base types)

[kernel test robot]

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tree:   https://github.com/krzk/linux for-next/samsung-exynos-name-v2-rebased
head:   748bafe8cc1319b0f269069626fecc1bab7b33f3
commit: 663c90614dde92594bd881357e2da74f20ac759c [8034/9999] drm/amdkfd: Provide SMI events watch
config: x86_64-randconfig-s021-20200623 (attached as .config)
compiler: gcc-9 (Debian 9.3.0-13) 9.3.0
reproduce:
        # apt-get install sparse
        # sparse version: v0.6.2-dirty
        git checkout 663c90614dde92594bd881357e2da74f20ac759c
        # save the attached .config to linux build tree
        make W=1 C=1 ARCH=x86_64 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__'

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/amd/amdgpu/../amdkfd/kfd_smi_events.c:68:14: sparse: sparse: incorrect type in assignment (different base types) @@     expected restricted __poll_t [usertype] mask @@     got int @@
>> drivers/gpu/drm/amd/amdgpu/../amdkfd/kfd_smi_events.c:68:14: sparse:     expected restricted __poll_t [usertype] mask
>> drivers/gpu/drm/amd/amdgpu/../amdkfd/kfd_smi_events.c:68:14: sparse:     got int

vim +68 drivers/gpu/drm/amd/amdgpu/../amdkfd/kfd_smi_events.c

    58	
    59	static __poll_t kfd_smi_ev_poll(struct file *filep,
    60					struct poll_table_struct *wait)
    61	{
    62		__poll_t mask;
    63		struct kfd_smi_client *client = filep->private_data;
    64	
    65		poll_wait(filep, &client->wait_queue, wait);
    66	
    67		spin_lock(&client->lock);
  > 68		mask = kfifo_is_empty(&client->fifo) ? 0 : POLLIN | POLLRDNORM;
    69		spin_unlock(&client->lock);
    70	
    71		return mask;
    72	}
    73	

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

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