| Message ID | 4C07586B.4070709@cn.fujitsu.com (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
diff --git a/arch/x86/kvm/mmu.c b/arch/x86/kvm/mmu.c index c16c4ca..a62e3ba 100644 --- a/arch/x86/kvm/mmu.c +++ b/arch/x86/kvm/mmu.c @@ -2049,7 +2049,7 @@ static void kvm_send_hwpoison_signal(struct kvm *kvm, gfn_t gfn) /* Touch the page, so send SIGBUS */ hva = (void __user *)gfn_to_hva(kvm, gfn); - (void)copy_from_user(buf, hva, 1); + r = copy_from_user(buf, hva, 1); } static int kvm_handle_bad_page(struct kvm *kvm, gfn_t gfn, pfn_t pfn)