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Merge "usb: f_qdss: Avoid wait_for_completion if qdss_disable is called"

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qctecmdr 2021-04-16 16:35:02 -07:00 committed by Gerrit - the friendly Code Review server
commit 8c5c90559a
1 changed files with 6 additions and 2 deletions
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8
drivers/usb/gadget/function/f_qdss.c
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@ -901,16 +901,20 @@ void usb_qdss_close(struct usb_qdss_ch *ch)
qdss_log("channel:%s\n", ch->name);
qdss = ch->priv_usb;
qdss->qdss_close = true;
spin_lock(&qdss->lock);
while (!list_empty(&qdss->queued_data_pool)) {
qreq = list_first_entry(&qdss->queued_data_pool,
struct qdss_req, list);
spin_unlock(&qdss->lock);
spin_unlock_irqrestore(&channel_lock, flags);
qdss_log("dequeue req:%pK\n", qreq->usb_req);
usb_ep_dequeue(qdss->port.data, qreq->usb_req);
wait_for_completion(&qreq->write_done);
if (!usb_ep_dequeue(qdss->port.data, qreq->usb_req))
wait_for_completion(&qreq->write_done);
spin_lock_irqsave(&channel_lock, flags);
spin_lock(&qdss->lock);
}
spin_unlock(&qdss->lock);
spin_unlock_irqrestore(&channel_lock, flags);
usb_qdss_free_req(ch);
spin_lock_irqsave(&channel_lock, flags);