From: Jinjie Ruan Date: Wed, 23 Aug 2023 03:46:37 +0000 (+0800) Subject: Bluetooth: btusb: Do not call kfree_skb() under spin_lock_irqsave() X-Git-Tag: v6.6.17~4098^2~24^2 X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=2a05334d7f91ff189692089c05fc48cc1d8204de;p=platform%2Fkernel%2Flinux-rpi.git Bluetooth: btusb: Do not call kfree_skb() under spin_lock_irqsave() 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: baac6276c0a9 ("Bluetooth: btusb: handle mSBC audio over USB Endpoints") Signed-off-by: Jinjie Ruan Signed-off-by: Luiz Augusto von Dentz --- diff --git a/drivers/bluetooth/btusb.c b/drivers/bluetooth/btusb.c index e98f5fc..82597ab 100644 --- a/drivers/bluetooth/btusb.c +++ b/drivers/bluetooth/btusb.c @@ -2162,7 +2162,7 @@ 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);