From: Pablo Neira Ayuso <pablo@netfilter.org>
Date: Sat, 23 Apr 2016 13:47:30 +0000 (+0200)
Subject: segtree: set expr->len for prefix expression from interval_map_decompose()
X-Git-Tag: v0.6~54
X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=15b525d172590191b4899cf1e403d15fb2f3db4a;p=thirdparty%2Fnftables.git

segtree: set expr->len for prefix expression from interval_map_decompose()

This field needs to be set for the new interval overlap detection.

Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
---

diff --git a/src/segtree.c b/src/segtree.c
index 668c0857..f544704b 100644
--- a/src/segtree.c
+++ b/src/segtree.c
@@ -624,6 +624,7 @@ void interval_map_decompose(struct expr *set)
 			prefix_len = expr_value(i)->len - mpz_scan0(range, 0);
 			prefix = prefix_expr_alloc(&low->location, expr_value(low),
 						   prefix_len);
+			prefix->len = low->len;
 			prefix = set_elem_expr_alloc(&low->location, prefix);
 			if (low->ops->type == EXPR_MAPPING)
 				prefix = mapping_expr_alloc(&low->location, prefix,