diff --git a/arch/x86/kvm/emulate.c b/arch/x86/kvm/emulate.c
index 66ca98aafdd6..70e47d3593d8 100644
--- a/arch/x86/kvm/emulate.c
+++ b/arch/x86/kvm/emulate.c
@@ -3028,6 +3028,8 @@ x86_emulate_insn(struct x86_emulate_ctxt *ctxt, struct x86_emulate_ops *ops)
 		if (c->modrm_reg == 5)
 			goto jump_far;
 		goto grp45;
+	default:
+		goto cannot_emulate;
 	}
 
 writeback:
@@ -3353,6 +3355,8 @@ x86_emulate_insn(struct x86_emulate_ctxt *ctxt, struct x86_emulate_ops *ops)
 		if (rc != X86EMUL_CONTINUE)
 			goto done;
 		break;
+	default:
+		goto cannot_emulate;
 	}
 	goto writeback;