netdev - [PATCH wpan-next] mac802154: util: fix release queue handling

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Message-Id: <20220613031323.999280-1-aahringo@redhat.com>
Date:   Sun, 12 Jun 2022 23:13:23 -0400
From:   Alexander Aring <aahringo@...hat.com>
To:     stefan@...enfreihafen.org
Cc:     linux-wpan@...r.kernel.org, netdev@...r.kernel.org,
        miquel.raynal@...tlin.com, aahringo@...hat.com
Subject: [PATCH wpan-next] mac802154: util: fix release queue handling

The semantic of atomic_dec_and_test() is to return true if zero is
reached and we need call ieee802154_wake_queue() when zero is reached.

Fixes: f0feb3490473 ("net: mac802154: Introduce a tx queue flushing mechanism")
Signed-off-by: Alexander Aring <aahringo@...hat.com>
---
 net/mac802154/util.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/net/mac802154/util.c b/net/mac802154/util.c
index 60eb7bd3bfc1..60f6c0f10641 100644
--- a/net/mac802154/util.c
+++ b/net/mac802154/util.c
@@ -79,7 +79,7 @@ void ieee802154_release_queue(struct ieee802154_local *local)
 	unsigned long flags;
 
 	spin_lock_irqsave(&local->phy->queue_lock, flags);
-	if (!atomic_dec_and_test(&local->phy->hold_txs))
+	if (atomic_dec_and_test(&local->phy->hold_txs))
 		ieee802154_wake_queue(&local->hw);
 	spin_unlock_irqrestore(&local->phy->queue_lock, flags);
 }
-- 
2.31.1