diff --git a/ospf6d/ospf6_gr.c b/ospf6d/ospf6_gr.c
index ecaaa038ab..f39da91415 100644
--- a/ospf6d/ospf6_gr.c
+++ b/ospf6d/ospf6_gr.c
@@ -293,8 +293,10 @@ static int ospf6_router_lsa_contains_adj(struct ospf6_area *area,
 			if (lsdesc->type != OSPF6_ROUTER_LSDESC_POINTTOPOINT)
 				continue;
 
-			if (lsdesc->neighbor_router_id == neighbor_router_id)
+			if (lsdesc->neighbor_router_id == neighbor_router_id) {
+				ospf6_lsa_unlock(lsa);
 				return RTR_LSA_ADJ_FOUND;
+			}
 		}
 	}
 
@@ -511,8 +513,10 @@ static bool ospf6_gr_check_adjs(struct ospf6 *ospf6)
 		for (ALL_LSDB_TYPED_ADVRTR(area->lsdb, type, router,
 					   lsa_self)) {
 			found = true;
-			if (!ospf6_gr_check_adjs_lsa(area, lsa_self))
+			if (!ospf6_gr_check_adjs_lsa(area, lsa_self)) {
+				ospf6_lsa_unlock(lsa_self);
 				return false;
+			}
 		}
 		if (!found)
 			return false;
diff --git a/ospf6d/ospf6_lsdb.c b/ospf6d/ospf6_lsdb.c
index 7925a8b2f4..fa1a9a408d 100644
--- a/ospf6d/ospf6_lsdb.c
+++ b/ospf6d/ospf6_lsdb.c
@@ -236,8 +236,10 @@ struct ospf6_lsa *ospf6_find_inter_prefix_lsa(struct ospf6 *ospf6,
 		prefix.prefixlen = prefix_lsa->prefix.prefix_length;
 		ospf6_prefix_in6_addr(&prefix.u.prefix6, prefix_lsa,
 				      &prefix_lsa->prefix);
-		if (prefix_same(p, &prefix))
+		if (prefix_same(p, &prefix)) {
+			ospf6_lsa_unlock(lsa);
 			return lsa;
+		}
 	}
 
 	return NULL;