diff options
| author | Yang Yingliang <yangyingliang@huawei.com> | 2022-12-06 20:59:10 +0800 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2022-12-31 13:14:20 +0100 |
| commit | 06467130d5211d620a8e7d05bde88cdd5a12e63c (patch) | |
| tree | 2acf86a03f0b4d71c57dcab47d93171a8ed78945 /drivers/bluetooth | |
| parent | e52b7d460a30506680ec57c28e88ce446ce590bf (diff) | |
| download | linux-stable-06467130d5211d620a8e7d05bde88cdd5a12e63c.tar.gz linux-stable-06467130d5211d620a8e7d05bde88cdd5a12e63c.tar.bz2 linux-stable-06467130d5211d620a8e7d05bde88cdd5a12e63c.zip | |
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>
Diffstat (limited to 'drivers/bluetooth')
| -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 69380cb03dd3..9c32263f872b 100644 --- a/drivers/bluetooth/btusb.c +++ b/drivers/bluetooth/btusb.c @@ -735,13 +735,13 @@ 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); |