From aa686512df0ad3cca894e22f13a6eb674ac2f23a Mon Sep 17 00:00:00 2001
From: Mark Andrews <marka@isc.org>
Date: Tue, 29 Oct 2024 10:12:20 +1100
Subject: [PATCH] INSIST that the zone in locked before unlocking

This is the counterpart to the INSIST(!zone->locked) when the zone
is locked.
---
 lib/dns/zone.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/lib/dns/zone.c b/lib/dns/zone.c
index c1f639f941..e0c186ff8f 100644
--- a/lib/dns/zone.c
+++ b/lib/dns/zone.c
@@ -193,6 +193,7 @@ typedef struct dns_include dns_include_t;
 	} while (0)
 #define UNLOCK_ZONE(z)               \
 	do {                         \
+		INSIST((z)->locked); \
 		(z)->locked = false; \
 		UNLOCK(&(z)->lock);  \
 	} while (0)