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Diffstat (limited to 'sys/amd64/vmm/vmm.c')
-rw-r--r--sys/amd64/vmm/vmm.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/sys/amd64/vmm/vmm.c b/sys/amd64/vmm/vmm.c
index f7c59847140b..473887240b9b 100644
--- a/sys/amd64/vmm/vmm.c
+++ b/sys/amd64/vmm/vmm.c
@@ -870,7 +870,7 @@ vm_assign_pptdev(struct vm *vm, int bus, int slot, int func)
int
vm_get_register(struct vcpu *vcpu, int reg, uint64_t *retval)
{
-
+ /* Negative values represent VM control structure fields. */
if (reg >= VM_REG_LAST)
return (EINVAL);
@@ -882,6 +882,7 @@ vm_set_register(struct vcpu *vcpu, int reg, uint64_t val)
{
int error;
+ /* Negative values represent VM control structure fields. */
if (reg >= VM_REG_LAST)
return (EINVAL);