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USB: WUSBCORE: use list_move_tail instead of list_del/list_add_tail

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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>
This commit is contained in:
Wei Yongjun 2013-09-23 14:16:22 +08:00 • committed by Greg Kroah-Hartman
parent 7868943db1
commit 8eb4129929
1 changed files with 2 additions and 4 deletions

6
drivers/usb/wusbcore/wa-xfer.c
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@ -1552,10 +1552,8 @@ static void wa_xfer_result_chew(struct wahc *wa, struct wa_xfer *xfer)
dev_info(dev, "Control EP stall. Queue delayed work.\n");
spin_lock_irq(&wa->xfer_list_lock);
/* remove xfer from xfer_list. */
list_del(&xfer->list_node);
/* add xfer to xfer_errored_list. */
list_add_tail(&xfer->list_node, &wa->xfer_errored_list);
/* move xfer from xfer_list to xfer_errored_list. */
list_move_tail(&xfer->list_node, &wa->xfer_errored_list);
spin_unlock_irq(&wa->xfer_list_lock);
spin_unlock_irqrestore(&xfer->lock, flags);
queue_work(wusbd, &wa->xfer_error_work);