[tip:,core/rcu] wireless/mediatek: Replace rcu_swap_protected() with rcu_replace_pointer()
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Message ID 157994896823.396.3709123757914257242.tip-bot2@tip-bot2
State New
Delegated to: Felix Fietkau
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  • [tip:,core/rcu] wireless/mediatek: Replace rcu_swap_protected() with rcu_replace_pointer()
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Commit Message

tip-bot2 for Benjamin Thiel Jan. 25, 2020, 10:42 a.m. UTC
The following commit has been merged into the core/rcu branch of tip:

Commit-ID:     a191c9e9f73a78e8801b5eeb3d43bbd6fd73b86f
Gitweb:        https://git.kernel.org/tip/a191c9e9f73a78e8801b5eeb3d43bbd6fd73b86f
Author:        Paul E. McKenney <paulmck@kernel.org>
AuthorDate:    Wed, 11 Dec 2019 10:30:21 -08:00
Committer:     Paul E. McKenney <paulmck@kernel.org>
CommitterDate: Thu, 12 Dec 2019 10:20:51 -08:00

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 <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>
---
 drivers/net/wireless/mediatek/mt76/agg-rx.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

Patch
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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);