From: Timo Sirainen <timo.sirainen@open-xchange.com>
Date: Mon, 14 Jan 2019 15:52:26 +0000 (+0200)
Subject: lib: hash_table_destroy(NULL) should be a no-op
X-Git-Tag: 2.3.9~939
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=22c42e272c78b027104d2bbbdbde89c65ceaf8ee;p=thirdparty%2Fdovecot%2Fcore.git

lib: hash_table_destroy(NULL) should be a no-op
---

diff --git a/src/lib/hash.c b/src/lib/hash.c
index 3f53c6ac35..57b44421fe 100644
--- a/src/lib/hash.c
+++ b/src/lib/hash.c
@@ -133,6 +133,8 @@ void hash_table_destroy(struct hash_table **_table)
 {
 	struct hash_table *table = *_table;
 
+	if (table == NULL)
+		return;
 	*_table = NULL;
 
 	i_assert(table->frozen == 0);