[android-common:android17-6.18 1/1] arch/arm64/kvm/hyp/nvhe/pkvm.c:1906:40: sparse: sparse: cast to restricted __le32

[android-common:android17-6.18 1/1] arch/arm64/kvm/hyp/nvhe/pkvm.c:1906:40: sparse: sparse: cast to restricted __le32

[kernel test robot]

tree:   https://android.googlesource.com/kernel/common android17-6.18
head:   367ce0597211847ec0f62618e0a515f37cc84dd6
commit: eff36ac2fe9748dfe31b22d00b62f6eaf7323732 [1/1] ANDROID: KVM: arm64: Add TRNG handling for protected guests
config: arm64-randconfig-r134-20260205 (https://download.01.org/0day-ci/archive/20260206/202602061656.HTIBEG7j-lkp@intel.com/config)
compiler: aarch64-linux-gcc (GCC) 13.4.0
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20260206/202602061656.HTIBEG7j-lkp@intel.com/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@intel.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202602061656.HTIBEG7j-lkp@intel.com/

sparse warnings: (new ones prefixed by >>)
   arch/arm64/kvm/hyp/nvhe/pkvm.c:248:1: sparse: sparse: symbol 'vm_table_lock' was not declared. Should it be static?
>> arch/arm64/kvm/hyp/nvhe/pkvm.c:1906:40: sparse: sparse: cast to restricted __le32
   arch/arm64/kvm/hyp/nvhe/pkvm.c:1907:34: sparse: sparse: cast to restricted __le32
   arch/arm64/kvm/hyp/nvhe/pkvm.c:1908:34: sparse: sparse: cast to restricted __le32
   arch/arm64/kvm/hyp/nvhe/pkvm.c:1909:34: sparse: sparse: cast to restricted __le32

vim +1906 arch/arm64/kvm/hyp/nvhe/pkvm.c

  1879	
  1880	static bool module_handle_guest_trng(struct kvm_vcpu *vcpu)
  1881	{
  1882		u32 fn;
  1883		u64 ret = SMCCC_RET_NOT_SUPPORTED;
  1884		const uuid_t *uuid;
  1885	
  1886		fn = smccc_get_function(vcpu);
  1887		uuid = module_get_guest_trng_uuid();
  1888		if (!uuid)
  1889			return false;
  1890	
  1891		switch (fn) {
  1892		case ARM_SMCCC_TRNG_VERSION:
  1893			ret = ARM_SMCCC_TRNG_VER_1_0;
  1894			break;
  1895		case ARM_SMCCC_TRNG_FEATURES:
  1896			switch (smccc_get_arg1(vcpu)) {
  1897			case ARM_SMCCC_TRNG_VERSION:
  1898			case ARM_SMCCC_TRNG_FEATURES:
  1899			case ARM_SMCCC_TRNG_GET_UUID:
  1900			case ARM_SMCCC_TRNG_RND64:
  1901				ret = SMCCC_RET_SUCCESS;
  1902				break;
  1903			}
  1904			break;
  1905		case ARM_SMCCC_TRNG_GET_UUID:
> 1906			smccc_set_retval(vcpu, le32_to_cpu(((u32 *)uuid->b)[0]),
  1907					 le32_to_cpu(((u32 *)uuid->b)[1]),
  1908					 le32_to_cpu(((u32 *)uuid->b)[2]),
  1909					 le32_to_cpu(((u32 *)uuid->b)[3]));
  1910			return true;
  1911		case ARM_SMCCC_TRNG_RND64:
  1912			return module_handle_guest_trng_rng(vcpu);
  1913		default:
  1914			return false;
  1915		}
  1916	
  1917		smccc_set_retval(vcpu, ret, 0, 0, 0);
  1918		return true;
  1919	}
  1920	

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