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Bluetooth: btusb: fix non-atomic allocation in completion handler
commit22cc6b7a1d
upstream. USB completion handlers are called in atomic context and must specifically not allocate memory using GFP_KERNEL. Fixes:a1c49c434e
("Bluetooth: btusb: Add protocol support for MediaTek MT7668U USB devices") Cc: stable <stable@vger.kernel.org> # 5.3 Cc: Sean Wang <sean.wang@mediatek.com> Signed-off-by: Johan Hovold <johan@kernel.org> Signed-off-by: Marcel Holtmann <marcel@holtmann.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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@ -2585,7 +2585,7 @@ static void btusb_mtk_wmt_recv(struct urb *urb)
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* and being processed the events from there then.
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*/
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if (test_bit(BTUSB_TX_WAIT_VND_EVT, &data->flags)) {
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data->evt_skb = skb_clone(skb, GFP_KERNEL);
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data->evt_skb = skb_clone(skb, GFP_ATOMIC);
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if (!data->evt_skb)
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goto err_out;
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}
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