Fix sparse: incorrect type in argument 1 (different base types). Typecast the userspace address argument.
Fixes: 0d0736f76347 (KVM: SVM: Add support for KVM_SEV_LAUNCH_MEASURE ...) Cc: Paolo Bonzini <[email protected]> Cc: "Radim Krčmář" <[email protected]> Cc: Borislav Petkov <[email protected]> Cc: Tom Lendacky <[email protected]> Cc: [email protected] Cc: Joerg Roedel <[email protected]> Signed-off-by: Brijesh Singh <[email protected]> --- arch/x86/kvm/svm.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/arch/x86/kvm/svm.c b/arch/x86/kvm/svm.c index b3e488a74828..a2f1bb73640c 100644 --- a/arch/x86/kvm/svm.c +++ b/arch/x86/kvm/svm.c @@ -6262,7 +6262,9 @@ static int sev_launch_measure(struct kvm *kvm, struct kvm_sev_cmd *argp) goto e_free; } - if (!access_ok(VERIFY_WRITE, params.uaddr, params.len)) { + if (!access_ok(VERIFY_WRITE, + (void __user *)(uintptr_t)params.uaddr, + params.len)) { ret = -EFAULT; goto e_free; } -- 2.14.3
