From ec1679db9a162f8e9887e9a0136e58a38732d8b9 Mon Sep 17 00:00:00 2001 From: Yang Yingliang Date: Wed, 7 Dec 2022 23:00:07 +0800 Subject: [PATCH] wifi: libertas: main: don't call kfree_skb() under spin_lock_irqsave() [ 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 Signed-off-by: Kalle Valo Link: https://lore.kernel.org/r/20221207150008.111743-4-yangyingliang@huawei.com Signed-off-by: Sasha Levin --- 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 ae97530..78e8b5a 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); -- 2.7.4