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>
diff --git a/drivers/usb/wusbcore/wa-xfer.c b/drivers/usb/wusbcore/wa-xfer.c
index 6ad02f5..cf10979 100644
--- a/drivers/usb/wusbcore/wa-xfer.c
+++ b/drivers/usb/wusbcore/wa-xfer.c
@@ -1552,10 +1552,8 @@
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);