diff mbox series

[v2,4/6] Bluetooth: hci_bcsp: don't call kfree_skb() under spin_lock_irqsave()

Message ID 20221207021835.3012559-5-yangyingliang@huawei.com
State Accepted
Commit 7b503e339c1a80bf0051ec2d19c3bc777014ac61
Headers show
Series Bluetooth: don't call kfree_skb() under spin_lock_irqsave() | expand

Commit Message

Yang Yingliang Dec. 7, 2022, 2:18 a.m. UTC 
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: 1da177e4c3f4 ("Linux-2.6.12-rc2")
Signed-off-by: Yang Yingliang <yangyingliang@huawei.com>
---
 drivers/bluetooth/hci_bcsp.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
diff mbox series

Patch

diff --git a/drivers/bluetooth/hci_bcsp.c b/drivers/bluetooth/hci_bcsp.c
index cf4a56095817..8055f63603f4 100644
--- a/drivers/bluetooth/hci_bcsp.c
+++ b/drivers/bluetooth/hci_bcsp.c
@@ -378,7 +378,7 @@  static void bcsp_pkt_cull(struct bcsp_struct *bcsp)
 		i++;
 
 		__skb_unlink(skb, &bcsp->unack);
-		kfree_skb(skb);
+		dev_kfree_skb_irq(skb);
 	}
 
 	if (skb_queue_empty(&bcsp->unack))