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wifi: wl3501_cs: don't call kfree_skb() under spin_lock_irqsave()

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[ Upstream commit 44bacbdf90 ]

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: 1da177e4c3 ("Linux-2.6.12-rc2")
Signed-off-by: Yang Yingliang <yangyingliang@huawei.com>
Signed-off-by: Kalle Valo <kvalo@kernel.org>
Link: https://lore.kernel.org/r/20221207150453.114742-1-yangyingliang@huawei.com
Signed-off-by: Sasha Levin <sashal@kernel.org>
This commit is contained in:
Yang Yingliang 2022-12-07 23:04:53 +08:00 • committed by Justin Hammond
parent eb9895c14d
commit 70d2ac6e58
1 changed files with 1 additions and 1 deletions
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2
drivers/net/wireless/wl3501_cs.c
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@ -1328,7 +1328,7 @@ static netdev_tx_t wl3501_hard_start_xmit(struct sk_buff *skb,
} else {
++dev->stats.tx_packets;
dev->stats.tx_bytes += skb->len;
kfree_skb(skb);
dev_kfree_skb_irq(skb);
if (this->tx_buffer_cnt < 2)
netif_stop_queue(dev);