From 7df15988475d6098aec7c7e14d454ad6a1f7c811 Mon Sep 17 00:00:00 2001
From: Nick Porter <nick@portercomputing.co.uk>
Date: Fri, 6 Oct 2023 09:22:53 +0100
Subject: [PATCH] xlat cmp requires both arguments

---
 src/lib/unlang/xlat_expr.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/lib/unlang/xlat_expr.c b/src/lib/unlang/xlat_expr.c
index 32c5bc0acf5e..7a2b6482540b 100644
--- a/src/lib/unlang/xlat_expr.c
+++ b/src/lib/unlang/xlat_expr.c
@@ -479,7 +479,7 @@ static xlat_action_t xlat_cmp_op(TALLOC_CTX *ctx, fr_dcursor_t *out,
 	a = fr_value_box_list_head(in);
 	b = fr_value_box_list_next(in, a);
 
-	if (!a && !b) return XLAT_ACTION_FAIL;
+	if (!a || !b) return XLAT_ACTION_FAIL;
 
 	fr_assert(a->type == FR_TYPE_GROUP);
 	fr_assert(b->type == FR_TYPE_GROUP);