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-rw-r--r--src/libsystemd-network/sd-dhcp-server.c29
1 files changed, 15 insertions, 14 deletions
diff --git a/src/libsystemd-network/sd-dhcp-server.c b/src/libsystemd-network/sd-dhcp-server.c
index d9495024ab..5bdcf860bc 100644
--- a/src/libsystemd-network/sd-dhcp-server.c
+++ b/src/libsystemd-network/sd-dhcp-server.c
@@ -109,25 +109,26 @@ DEFINE_TRIVIAL_CLEANUP_FUNC(DHCPLease*, dhcp_lease_free);
#define _cleanup_dhcp_lease_free_ _cleanup_(dhcp_lease_freep)
sd_dhcp_server *sd_dhcp_server_unref(sd_dhcp_server *server) {
- if (server && REFCNT_DEC(server->n_ref) <= 0) {
- DHCPLease *lease;
- Iterator i;
+ DHCPLease *lease;
- log_dhcp_server(server, "UNREF");
+ if (!server)
+ return NULL;
- sd_dhcp_server_stop(server);
+ if (REFCNT_DEC(server->n_ref) > 0)
+ return NULL;
- sd_event_unref(server->event);
+ log_dhcp_server(server, "UNREF");
- HASHMAP_FOREACH(lease, server->leases_by_client_id, i) {
- hashmap_remove(server->leases_by_client_id, lease);
- dhcp_lease_free(lease);
- }
+ sd_dhcp_server_stop(server);
- hashmap_free(server->leases_by_client_id);
- free(server->bound_leases);
- free(server);
- }
+ sd_event_unref(server->event);
+
+ while ((lease = hashmap_steal_first(server->leases_by_client_id)))
+ dhcp_lease_free(lease);
+ hashmap_free(server->leases_by_client_id);
+
+ free(server->bound_leases);
+ free(server);
return NULL;
}