From: Vladimír Čunát <vladimir.cunat@nic.cz>
Date: Thu, 20 May 2021 16:49:48 +0000 (+0200)
Subject: fix a bug copied from libknot; GC seems to work now
X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=7e77d9fbec32946d8057548993f1c9050aeff79c;p=thirdparty%2Fknot-resolver.git

fix a bug copied from libknot; GC seems to work now
---

diff --git a/lib/cache/cdb_compat.c b/lib/cache/cdb_compat.c
index b15f6710b..7718d5c75 100644
--- a/lib/cache/cdb_compat.c
+++ b/lib/cache/cdb_compat.c
@@ -258,9 +258,8 @@ static int del(knot_db_txn_t *txn, knot_db_val_t *key)
 {
 	struct lmdb_env *env = txn->db;
 	MDB_val db_key = val_knot2mdb(*key);
-	MDB_val data = { 0 };
 
-	int ret = mdb_del(txn->txn, env->dbi, &db_key, &data);
+	int ret = mdb_del(txn->txn, env->dbi, &db_key, NULL);
 	if (ret != MDB_SUCCESS) {
 		return lmdb_error_to_knot(ret);
 	}