From a191c9e9f73a78e8801b5eeb3d43bbd6fd73b86f Mon Sep 17 00:00:00 2001 From: "Paul E. McKenney" Date: Wed, 11 Dec 2019 10:30:21 -0800 Subject: [PATCH] wireless/mediatek: Replace rcu_swap_protected() with rcu_replace_pointer() This commit replaces the use of rcu_swap_protected() with the more intuitively appealing rcu_replace_pointer() as a step towards removing rcu_swap_protected(). Link: https://lore.kernel.org/lkml/CAHk-=wiAsJLw1egFEE=Z7-GGtM6wcvtyytXZA1+BHqta4gg6Hw@mail.gmail.com/ Reported-by: Linus Torvalds Reported-by: "Martin K. Petersen" [ paulmck: Apply Matthias Brugger feedback. ] Signed-off-by: Paul E. McKenney Reviewed-by: "Martin K. Petersen" Acked-by: Kalle Valo Cc: Felix Fietkau Cc: Lorenzo Bianconi Cc: Ryder Lee Cc: Roy Luo Cc: "David S. Miller" Cc: Matthias Brugger Cc: Cc: Cc: Cc: --- drivers/net/wireless/mediatek/mt76/agg-rx.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/drivers/net/wireless/mediatek/mt76/agg-rx.c b/drivers/net/wireless/mediatek/mt76/agg-rx.c index 53b5a4b..59c1878 100644 --- a/drivers/net/wireless/mediatek/mt76/agg-rx.c +++ b/drivers/net/wireless/mediatek/mt76/agg-rx.c @@ -281,8 +281,8 @@ void mt76_rx_aggr_stop(struct mt76_dev *dev, struct mt76_wcid *wcid, u8 tidno) { struct mt76_rx_tid *tid = NULL; - rcu_swap_protected(wcid->aggr[tidno], tid, - lockdep_is_held(&dev->mutex)); + tid = rcu_replace_pointer(wcid->aggr[tidno], tid, + lockdep_is_held(&dev->mutex)); if (tid) { mt76_rx_aggr_shutdown(dev, tid); kfree_rcu(tid, rcu_head); -- 2.7.4