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

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[ 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: fc75122fab ("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>
This commit is contained in:
Yang Yingliang
2022-12-07 23:00:05 +08:00
committed by Greg Kroah-Hartman
parent b4b4447481
commit 0258757caa
1 changed files with 1 additions and 1 deletions
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2
drivers/net/wireless/marvell/libertas_tf/if_usb.c
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@@ -613,7 +613,7 @@ static inline void process_cmdrequest(int recvlength, uint8_t *recvbuff,
spin_lock_irqsave(&priv->driver_lock, flags); spin_lock_irqsave(&priv->driver_lock, flags);
memcpy(priv->cmd_resp_buff, recvbuff + MESSAGE_HEADER_LEN, memcpy(priv->cmd_resp_buff, recvbuff + MESSAGE_HEADER_LEN,
recvlength - MESSAGE_HEADER_LEN); recvlength - MESSAGE_HEADER_LEN);
kfree_skb(skb); dev_kfree_skb_irq(skb);
lbtf_cmd_response_rx(priv); lbtf_cmd_response_rx(priv);
spin_unlock_irqrestore(&priv->driver_lock, flags); spin_unlock_irqrestore(&priv->driver_lock, flags);
} }