From: Yang Yingliang yangyingliang@huawei.com
[ Upstream commit 9388ce97b98216833c969191ee6df61a7201d797 ]
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: fc75122fabb5 ("libertas_tf: use irqsave() in USB's complete callback") Signed-off-by: Yang Yingliang yangyingliang@huawei.com Signed-off-by: Kalle Valo kvalo@kernel.org Link: https://lore.kernel.org/r/20221207150008.111743-2-yangyingliang@huawei.com Signed-off-by: Sasha Levin sashal@kernel.org --- drivers/net/wireless/marvell/libertas_tf/if_usb.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/net/wireless/marvell/libertas_tf/if_usb.c b/drivers/net/wireless/marvell/libertas_tf/if_usb.c index 75b5319d033f3..1750f5e93de21 100644 --- a/drivers/net/wireless/marvell/libertas_tf/if_usb.c +++ b/drivers/net/wireless/marvell/libertas_tf/if_usb.c @@ -613,7 +613,7 @@ static inline void process_cmdrequest(int recvlength, uint8_t *recvbuff, spin_lock_irqsave(&priv->driver_lock, flags); memcpy(priv->cmd_resp_buff, recvbuff + MESSAGE_HEADER_LEN, recvlength - MESSAGE_HEADER_LEN); - kfree_skb(skb); + dev_kfree_skb_irq(skb); lbtf_cmd_response_rx(priv); spin_unlock_irqrestore(&priv->driver_lock, flags); }