USB: WUSBCORE: use list_move_tail instead of list_del/list_add_tail
Using list_move_tail() instead of list_del() + list_add_tail(). Signed-off-by: Wei Yongjun <yongjun_wei@trendmicro.com.cn> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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@ -1552,10 +1552,8 @@ error_complete:
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dev_info(dev, "Control EP stall. Queue delayed work.\n");
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spin_lock_irq(&wa->xfer_list_lock);
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/* remove xfer from xfer_list. */
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list_del(&xfer->list_node);
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/* add xfer to xfer_errored_list. */
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list_add_tail(&xfer->list_node, &wa->xfer_errored_list);
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/* move xfer from xfer_list to xfer_errored_list. */
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list_move_tail(&xfer->list_node, &wa->xfer_errored_list);
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spin_unlock_irq(&wa->xfer_list_lock);
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spin_unlock_irqrestore(&xfer->lock, flags);
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queue_work(wusbd, &wa->xfer_error_work);
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