diff options
| author | Yang Yingliang <yangyingliang@huawei.com> | 2022-12-06 15:59:10 +0300 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2023-01-18 13:41:16 +0300 |
| commit | f6d822ce4b56b1a8dc928bb9ce68f9195772830a (patch) | |
| tree | f440535547f20d9c96a3e31ff17dfe3489ae5a79 | |
| parent | a6b9e09403102bdf8402dae734800e4916c7ea58 (diff) | |
| download | linux-f6d822ce4b56b1a8dc928bb9ce68f9195772830a.tar.xz | |
Bluetooth: btusb: don't call kfree_skb() under spin_lock_irqsave()
[ Upstream commit b15a6bd3c80c77faec8317319b97f976b1a08332 ]
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>
Signed-off-by: Sasha Levin <sashal@kernel.org>
| -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 c8f2b991e9cf..79f77315854f 100644 --- a/drivers/bluetooth/btusb.c +++ b/drivers/bluetooth/btusb.c @@ -563,13 +563,13 @@ 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); |