From 4ac2cd199fbae8f52d43db7c817527ba1c5dedaa Mon Sep 17 00:00:00 2001
From: Jeremy Sowden <jeremy@azazel.net>
Date: Tue, 3 Mar 2020 09:48:29 +0000
Subject: evaluate: don't evaluate payloads twice.

Payload munging means that evaluation of payload expressions may not be
idempotent.  Add a flag to prevent them from being evaluated more than
once.

Signed-off-by: Jeremy Sowden <jeremy@azazel.net>
Signed-off-by: Florian Westphal <fw@strlen.de>
---
 include/expression.h | 1 +
 1 file changed, 1 insertion(+)

(limited to 'include/expression.h')

diff --git a/include/expression.h b/include/expression.h
index 62fbbbb5..87c39e5d 100644
--- a/include/expression.h
+++ b/include/expression.h
@@ -300,6 +300,7 @@ struct expr {
 			enum proto_bases		base;
 			unsigned int			offset;
 			bool				is_raw;
+			bool				evaluated;
 		} payload;
 		struct {
 			/* EXPR_EXTHDR */
-- 
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