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wireless/mediatek: Replace rcu_swap_protected() with rcu_replace_pointer()

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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 <torvalds@linux-foundation.org>
Reported-by: "Martin K. Petersen" <martin.petersen@oracle.com>
[ paulmck: Apply Matthias Brugger feedback. ]
Signed-off-by: Paul E. McKenney <paulmck@kernel.org>
Reviewed-by: "Martin K. Petersen" <martin.petersen@oracle.com>
Acked-by: Kalle Valo <kvalo@codeaurora.org>
Cc: Felix Fietkau <nbd@nbd.name>
Cc: Lorenzo Bianconi <lorenzo.bianconi83@gmail.com>
Cc: Ryder Lee <ryder.lee@mediatek.com>
Cc: Roy Luo <royluo@google.com>
Cc: "David S. Miller" <davem@davemloft.net>
Cc: Matthias Brugger <matthias.bgg@gmail.com>
Cc: <linux-wireless@vger.kernel.org>
Cc: <netdev@vger.kernel.org>
Cc: <linux-arm-kernel@lists.infradead.org>
Cc: <linux-mediatek@lists.infradead.org>
This commit is contained in:
Paul E. McKenney 2019-12-11 10:30:21 -08:00
parent 1a271ebbfe
commit a191c9e9f7
1 changed files with 2 additions and 2 deletions
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4
drivers/net/wireless/mediatek/mt76/agg-rx.c
View file

@ -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);