From: David Vašek <david.vasek@nic.cz>
Date: Tue, 14 Oct 2025 18:29:42 +0000 (+0200)
Subject: zone: fix a recent memory leak
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=f68eb2ce8c1843df4c0afb2b313dedf817a7fee4;p=thirdparty%2Fknot-dns.git

zone: fix a recent memory leak
---

diff --git a/src/knot/zone/zone-dump.c b/src/knot/zone/zone-dump.c
index bca23cccd9..c002b38ebc 100644
--- a/src/knot/zone/zone-dump.c
+++ b/src/knot/zone/zone-dump.c
@@ -157,6 +157,7 @@ int zone_dump_text(zone_contents_t *zone, zone_skip_t *skip, FILE *file, bool co
 
 	if (comments) {
 		if (fprintf(file, ";; Zone dump (Knot DNS %s)\n", PACKAGE_VERSION) < 0) {
+			free(buf);
 			return knot_map_errno();
 		}
 	}