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Subject[PATCH 2/4] KVM: SVM: Fix sparse: incorrect type in argument 1 (different base types)
Date
Fix sparse: incorrect type in argument 1 (different base types). Typecast
the userspace address argument.

Cc: Paolo Bonzini <pbonzini@redhat.com>
Cc: "Radim Krčmář" <rkrcmar@redhat.com>
Cc: Borislav Petkov <bp@suse.de>
Cc: Tom Lendacky <thomas.lendacky@amd.com>
Cc: linux-kernel@vger.kernel.org
Cc: Joerg Roedel <joro@8bytes.org>
Signed-off-by: Brijesh Singh <brijesh.singh@amd.com>
---
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 99476c706c16..8ce5bb7b04d1 100644
--- a/arch/x86/kvm/svm.c
+++ b/arch/x86/kvm/svm.c
@@ -6135,7 +6135,9 @@ 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;
}
--
2.9.5
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