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Bluetooth: btusb: don't call kfree_skb() under spin_lock_irqsave()

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[ Upstream commit b15a6bd3c8 ]

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().

Fixes: 803b58367f ("Bluetooth: btusb: Implement driver internal packet reassembly")
Signed-off-by: Yang Yingliang <yangyingliang@huawei.com>
Signed-off-by: Luiz Augusto von Dentz <luiz.von.dentz@intel.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
This commit is contained in:
Yang Yingliang 2022-12-06 20:59:10 +08:00 committed by Greg Kroah-Hartman
parent c1a3c6be7f
commit 7764190ec9
1 changed files with 3 additions and 3 deletions
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6
drivers/bluetooth/btusb.c
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@ -788,13 +788,13 @@ static inline void btusb_free_frags(struct btusb_data *data)
spin_lock_irqsave(&data->rxlock, flags);
kfree_skb(data->evt_skb);
dev_kfree_skb_irq(data->evt_skb);
data->evt_skb = NULL;
kfree_skb(data->acl_skb);
dev_kfree_skb_irq(data->acl_skb);
data->acl_skb = NULL;
kfree_skb(data->sco_skb);
dev_kfree_skb_irq(data->sco_skb);
data->sco_skb = NULL;
spin_unlock_irqrestore(&data->rxlock, flags);