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Bluetooth: RFCOMM: don't call kfree_skb() under spin_lock_irqsave()

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[ Upstream commit 0ba18967d4544955b2eff2fbc4f2a8750c4df90a ]

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: 81be03e026dc ("Bluetooth: RFCOMM: Replace use of memcpy_from_msg with bt_skb_sendmmsg")
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>
This commit is contained in:
Yang Yingliang 2022-12-07 10:18:35 +08:00 committed by Greg Kroah-Hartman
parent 5e832e0182
commit 203d604bd5
1 changed files with 1 additions and 1 deletions
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2
net/bluetooth/rfcomm/core.c
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@ -594,7 +594,7 @@ int rfcomm_dlc_send(struct rfcomm_dlc *d, struct sk_buff *skb)
ret = rfcomm_dlc_send_frag(d, frag); ret = rfcomm_dlc_send_frag(d, frag);
if (ret < 0) { if (ret < 0) {
kfree_skb(frag); dev_kfree_skb_irq(frag);
goto unlock; goto unlock;
} }