From 22cc6b7a1dbb58da4afc539d9b7d470b23a25eea Mon Sep 17 00:00:00 2001 From: Johan Hovold Date: Thu, 28 Nov 2019 19:24:27 +0100 Subject: Bluetooth: btusb: fix non-atomic allocation in completion handler USB completion handlers are called in atomic context and must specifically not allocate memory using GFP_KERNEL. Fixes: a1c49c434e15 ("Bluetooth: btusb: Add protocol support for MediaTek MT7668U USB devices") Cc: stable # 5.3 Cc: Sean Wang Signed-off-by: Johan Hovold Signed-off-by: Marcel Holtmann --- drivers/bluetooth/btusb.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) (limited to 'drivers/bluetooth') diff --git a/drivers/bluetooth/btusb.c b/drivers/bluetooth/btusb.c index 82fb2e7b2892..9b587e662b48 100644 --- a/drivers/bluetooth/btusb.c +++ b/drivers/bluetooth/btusb.c @@ -2602,7 +2602,7 @@ static void btusb_mtk_wmt_recv(struct urb *urb) * and being processed the events from there then. */ if (test_bit(BTUSB_TX_WAIT_VND_EVT, &data->flags)) { - data->evt_skb = skb_clone(skb, GFP_KERNEL); + data->evt_skb = skb_clone(skb, GFP_ATOMIC); if (!data->evt_skb) goto err_out; } -- cgit v1.2.3-59-g8ed1b