diff options
| author | Yang Yingliang <yangyingliang@huawei.com> | 2022-12-06 20:59:10 +0800 |
|---|---|---|
| committer | Luiz Augusto von Dentz <luiz.von.dentz@intel.com> | 2022-12-12 14:19:25 -0800 |
| commit | b15a6bd3c80c77faec8317319b97f976b1a08332 (patch) | |
| tree | a285533610247ea37be61d5794d4cf2fa0f2fa45 | |
| parent | cee50ce899de415baf4da3ed38b7d4f13c3170d1 (diff) | |
| download | linux-b15a6bd3c80c77faec8317319b97f976b1a08332.tar.gz | |
Bluetooth: btusb: don't call kfree_skb() under spin_lock_irqsave()
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: 803b58367ffb ("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>
| -rw-r--r-- | drivers/bluetooth/btusb.c | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/drivers/bluetooth/btusb.c b/drivers/bluetooth/btusb.c index 16e0431660553e..2ad4efdd9e40b6 100644 --- a/drivers/bluetooth/btusb.c +++ b/drivers/bluetooth/btusb.c @@ -916,13 +916,13 @@ 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); |