KVM: x86 emulator: switch OpImmUByte decode to decode_imm()

Similar to SrcImmUByte.

Signed-off-by: Avi Kivity <avi@redhat.com>
Signed-off-by: Marcelo Tosatti <mtosatti@redhat.com>
diff --git a/arch/x86/kvm/emulate.c b/arch/x86/kvm/emulate.c
index 00e0904..a0d6ceb4 100644
--- a/arch/x86/kvm/emulate.c
+++ b/arch/x86/kvm/emulate.c
@@ -3349,10 +3349,7 @@
 			 ctxt->twobyte && (ctxt->b == 0xb6 || ctxt->b == 0xb7));
 		break;
 	case OpImmUByte:
-		op->type = OP_IMM;
-		op->addr.mem.ea = ctxt->_eip;
-		op->bytes = 1;
-		op->val = insn_fetch(u8, ctxt);
+		rc = decode_imm(ctxt, op, 1, false);
 		break;
 	case OpMem:
 	case OpMem64: