[PATCH 4/4] libertas: don't call kfree_skb() under spin_lock_irqsave() in lbs_mac_event_disconnected()
Yang Yingliang
yangyingliang at huawei.com
Tue Dec 6 03:46:09 PST 2022
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().
Fixes: f52b041aed77 ("libertas: Add spinlock to avoid race condition")
Signed-off-by: Yang Yingliang <yangyingliang at huawei.com>
---
drivers/net/wireless/marvell/libertas/cmdresp.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/net/wireless/marvell/libertas/cmdresp.c b/drivers/net/wireless/marvell/libertas/cmdresp.c
index cb515c5584c1..74cb7551f427 100644
--- a/drivers/net/wireless/marvell/libertas/cmdresp.c
+++ b/drivers/net/wireless/marvell/libertas/cmdresp.c
@@ -48,7 +48,7 @@ void lbs_mac_event_disconnected(struct lbs_private *priv,
/* Free Tx and Rx packets */
spin_lock_irqsave(&priv->driver_lock, flags);
- 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);
--
2.25.1
More information about the libertas-dev
mailing list