From: Yang Yingliang yangyingliang@huawei.com
[ Upstream commit 44bacbdf9066c590423259dbd6d520baac99c1a8 ]
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: 1da177e4c3f4 ("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 --- drivers/net/wireless/wl3501_cs.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/net/wireless/wl3501_cs.c b/drivers/net/wireless/wl3501_cs.c index ff1701adbb179..ccf6344ed6fd2 100644 --- a/drivers/net/wireless/wl3501_cs.c +++ b/drivers/net/wireless/wl3501_cs.c @@ -1330,7 +1330,7 @@ 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);