From: Jan Kiszka <jan.kis...@siemens.com>
We only need to update vm_exit_intr_error_code if there is a valid exit
interruption information and it comes with a valid error code.
Signed-off-by: Jan Kiszka <jan.kis...@siemens.com>
---
arch/x86/kvm/vmx.c | 6 +++++-
1 files changed, 5 insertions(+), 1 deletions(-)
diff --git a/arch/x86/kvm/vmx.c b/arch/x86/kvm/vmx.c
index ad9b4bc..805deff 100644
--- a/arch/x86/kvm/vmx.c
+++ b/arch/x86/kvm/vmx.c
@@ -7454,7 +7454,11 @@ static void prepare_vmcs12(struct kvm_vcpu *vcpu, struct
vmcs12 *vmcs12)
vmcs12->exit_qualification = vmcs_readl(EXIT_QUALIFICATION);
vmcs12->vm_exit_intr_info = vmcs_read32(VM_EXIT_INTR_INFO);
- vmcs12->vm_exit_intr_error_code = vmcs_read32(VM_EXIT_INTR_ERROR_CODE);
+ if ((vmcs12->vm_exit_intr_info &
+ (INTR_INFO_VALID_MASK | INTR_INFO_DELIVER_CODE_MASK)) ==
+ (INTR_INFO_VALID_MASK | INTR_INFO_DELIVER_CODE_MASK))
+ vmcs12->vm_exit_intr_error_code =
+ vmcs_read32(VM_EXIT_INTR_ERROR_CODE);
vmcs12->idt_vectoring_info_field = 0;
vmcs12->vm_exit_instruction_len = vmcs_read32(VM_EXIT_INSTRUCTION_LEN);
vmcs12->vmx_instruction_info = vmcs_read32(VMX_INSTRUCTION_INFO);
--
1.7.3.4
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