[PATCH 4.14 030/193] wifi: libertas: main: dont call kfree_skb() under spin_lock_irqsave()

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From: Yang Yingliang <yangyingliang@xxxxxxxxxx>

[ Upstream commit f393df151540bf858effbd29ff572ab94e76a4c4 ]

It is not allowed to call kfree_skb() from hardware interrupt
context or with interrupts being disabled. So replace kfree_skb()
with dev_kfree_skb_irq() under spin_lock_irqsave(). Compile
tested only.

Fixes: d2e7b3425c47 ("libertas: disable functionality when interface is down")
Signed-off-by: Yang Yingliang <yangyingliang@xxxxxxxxxx>
Signed-off-by: Kalle Valo <kvalo@xxxxxxxxxx>
Link: https://lore.kernel.org/r/20221207150008.111743-4-yangyingliang@xxxxxxxxxx
Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>
---
 drivers/net/wireless/marvell/libertas/main.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/net/wireless/marvell/libertas/main.c b/drivers/net/wireless/marvell/libertas/main.c
index feb204cd74a9a..21816f0e9e930 100644
--- a/drivers/net/wireless/marvell/libertas/main.c
+++ b/drivers/net/wireless/marvell/libertas/main.c
@@ -216,7 +216,7 @@ int lbs_stop_iface(struct lbs_private *priv)
 
 	spin_lock_irqsave(&priv->driver_lock, flags);
 	priv->iface_running = false;
-	kfree_skb(priv->currenttxskb);
+	dev_kfree_skb_irq(priv->currenttxskb);
 	priv->currenttxskb = NULL;
 	priv->tx_pending_len = 0;
 	spin_unlock_irqrestore(&priv->driver_lock, flags);
-- 
2.39.2






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