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Bluetooth: btusb: Do not call kfree_skb() under spin_lock_irqsave()

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[ Upstream commit 2a05334d7f91ff189692089c05fc48cc1d8204de ]

It is not allowed to call kfree_skb() from hardware interrupt
context or with hardware interrupts being disabled.
So replace kfree_skb() with dev_kfree_skb_irq() under
spin_lock_irqsave(). Compile tested only.

Fixes: baac6276c0 ("Bluetooth: btusb: handle mSBC audio over USB Endpoints")
Signed-off-by: Jinjie Ruan <ruanjinjie@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:
Jinjie Ruan 2023-08-23 11:46:37 +08:00 • committed by Greg Kroah-Hartman
parent 7e7197e4d6
commit a33ae132ee
1 changed files with 1 additions and 1 deletions
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2
drivers/bluetooth/btusb.c
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@ -1984,7 +1984,7 @@ static int btusb_switch_alt_setting(struct hci_dev *hdev, int new_alts)
* alternate setting.
*/
spin_lock_irqsave(&data->rxlock, flags);
kfree_skb(data->sco_skb);
dev_kfree_skb_irq(data->sco_skb);
data->sco_skb = NULL;
spin_unlock_irqrestore(&data->rxlock, flags);