KVM: emulator: cleanup decode_register_operand() a bit

Make code shorter.

Reviewed-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Gleb Natapov <gleb@redhat.com>

1 files changed, 3 insertions, 7 deletions

diff --git a/arch/x86/kvm/emulate.c b/arch/x86/kvm/emulate.c
index 0bd372f3c989..07ffca0a89e9 100644
--- a/arch/x86/kvm/emulate.c
+++ b/arch/x86/kvm/emulate.c
@@ -1045,13 +1045,9 @@ static void decode_register_operand(struct x86_emulate_ctxt *ctxt,
         }
 
         op->type = OP_REG;
-        if (ctxt->d & ByteOp) {
-                op->addr.reg = decode_register(ctxt, reg, true);
-                op->bytes = 1;
-        } else {
-                op->addr.reg = decode_register(ctxt, reg, false);
-                op->bytes = ctxt->op_bytes;
-        }
+        op->bytes = (ctxt->d & ByteOp) ? 1 : ctxt->op_bytes;
+        op->addr.reg = decode_register(ctxt, reg, ctxt->d & ByteOp);
+
         fetch_register_operand(op);
         op->orig_val = op->val;
 }