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

[ Upstream commit 0ba1896 ] 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: 81be03e ("Bluetooth: RFCOMM: Replace use of memcpy_from_msg with bt_skb_sendmmsg") Signed-off-by: Yang Yingliang <[email protected]> Signed-off-by: Luiz Augusto von Dentz <[email protected]> Signed-off-by: Sasha Levin <[email protected]>
raspberrypi · Dec 31, 2022 · 93a4a04 · 93a4a04
1 parent 8d6bbe5
commit 93a4a04
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/net/bluetooth/rfcomm/core.c b/net/bluetooth/rfcomm/core.c
@@ -590,7 +590,7 @@ int rfcomm_dlc_send(struct rfcomm_dlc *d, struct sk_buff *skb)
 
 		ret = rfcomm_dlc_send_frag(d, frag);
 		if (ret < 0) {
-			kfree_skb(frag);
+			dev_kfree_skb_irq(frag);
 			goto unlock;
 		}