From: Yang Yingliang yangyingliang@huawei.com
[ Upstream commit 3968e81ba644f10a7d45bae2539560db9edac501 ]
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: a3128feef6d5 ("libertas: 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/20221207150008.111743-3-yangyingliang@huawei.com Signed-off-by: Sasha Levin sashal@kernel.org --- drivers/net/wireless/marvell/libertas/if_usb.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/net/wireless/marvell/libertas/if_usb.c b/drivers/net/wireless/marvell/libertas/if_usb.c index d75763410cdc1..885abbd665e6e 100644 --- a/drivers/net/wireless/marvell/libertas/if_usb.c +++ b/drivers/net/wireless/marvell/libertas/if_usb.c @@ -633,7 +633,7 @@ static inline void process_cmdrequest(int recvlength, uint8_t *recvbuff, priv->resp_len[i] = (recvlength - MESSAGE_HEADER_LEN); memcpy(priv->resp_buf[i], recvbuff + MESSAGE_HEADER_LEN, priv->resp_len[i]); - kfree_skb(skb); + dev_kfree_skb_irq(skb); lbs_notify_command_response(priv, i);
spin_unlock_irqrestore(&priv->driver_lock, flags);