fix: zone hang if last zone-reload oom

solidcc2 · solidcc2 · commit cf58751ebc7b · 2024-12-13T10:58:53.000+08:00
diff --git a/src/knot/zone/zonedb-load.c b/src/knot/zone/zonedb-load.c
@@ -698,6 +698,7 @@ int zone_reload_modules(conf_t *conf, server_t *server, const knot_dname_t *zone
 
 	zone_t *newzone = create_zone(conf, zone_name, server, *zone);
 	if (newzone == NULL) {
+		knot_sem_post(&(*zone)->cow_lock);
 		return KNOT_ENOMEM;
 	}
 	knot_sem_wait(&newzone->cow_lock);

Original file line number	Diff line number	Diff line change
`@@ -698,6 +698,7 @@ int zone_reload_modules(conf_t conf, server_t server, const knot_dname_t *zone`
`698`	`698`
`699`	`699`	`zone_t newzone = create_zone(conf, zone_name, server, zone);`
`700`	`700`	`if (newzone == NULL) {`
	`701`	`+ knot_sem_post(&(*zone)->cow_lock);`
`701`	`702`	`return KNOT_ENOMEM;`
`702`	`703`	`}`
`703`	`704`	`knot_sem_wait(&newzone->cow_lock);`