ptp: use list_move instead of list_del/list_add

Using list_move() instead of list_del() + list_add().

dpatch engine is used to auto generate this patch.
(https://github.com/weiyj/dpatch)

Signed-off-by: Wei Yongjun <yongjun_wei@trendmicro.com.cn>
Signed-off-by: David S. Miller <davem@davemloft.net>

1 files changed, 3 insertions, 6 deletions

diff --git a/drivers/net/ethernet/sfc/ptp.c b/drivers/net/ethernet/sfc/ptp.c
index 5b3dd028ce85..0767043f44a4 100644
--- a/drivers/net/ethernet/sfc/ptp.c
+++ b/drivers/net/ethernet/sfc/ptp.c
@@ -640,8 +640,7 @@ static void efx_ptp_drop_time_expired_events(struct efx_nic *efx)
                         evt = list_entry(cursor, struct efx_ptp_event_rx,
                                          link);
                         if (time_after(jiffies, evt->expiry)) {
-                                list_del(&evt->link);
-                                list_add(&evt->link, &ptp->evt_free_list);
+                                list_move(&evt->link, &ptp->evt_free_list);
                                 netif_warn(efx, hw, efx->net_dev,
                                            "PTP rx event dropped\n");
                         }
@@ -684,8 +683,7 @@ static enum ptp_packet_state efx_ptp_match_rx(struct efx_nic *efx,
 
                         match->state = PTP_PACKET_STATE_MATCHED;
                         rc = PTP_PACKET_STATE_MATCHED;
-                        list_del(&evt->link);
-                        list_add(&evt->link, &ptp->evt_free_list);
+                        list_move(&evt->link, &ptp->evt_free_list);
                         break;
                 }
         }
@@ -820,8 +818,7 @@ static int efx_ptp_stop(struct efx_nic *efx)
         /* Drop any pending receive events */
         spin_lock_bh(&efx->ptp_data->evt_lock);
         list_for_each_safe(cursor, next, &efx->ptp_data->evt_list) {
-                list_del(cursor);
-                list_add(cursor, &efx->ptp_data->evt_free_list);
+                list_move(cursor, &efx->ptp_data->evt_free_list);
         }
         spin_unlock_bh(&efx->ptp_data->evt_lock);