From: Wei Yongjun <yongjun_wei@trendmicro.com.cn>
Date: Wed, 5 Sep 2012 06:41:44 +0000 (+0800)
Subject: USB: FHCI: use list_move_tail instead of list_del/list_add_tail
X-Git-Url: http://git.lede-project.org./?a=commitdiff_plain;h=027c5215a9b584ed2c7c23870221a4429d35a981;p=openwrt%2Fstaging%2Fblogic.git

USB: FHCI: use list_move_tail instead of list_del/list_add_tail

Using list_move_tail() instead of list_del() + list_add_tail().

spatch with a semantic match is used to found this problem.
(http://coccinelle.lip6.fr/)

Signed-off-by: Wei Yongjun <yongjun_wei@trendmicro.com.cn>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---

diff --git a/drivers/usb/host/fhci-sched.c b/drivers/usb/host/fhci-sched.c
index 2dc8a40e39d7..8f18538e0ff7 100644
--- a/drivers/usb/host/fhci-sched.c
+++ b/drivers/usb/host/fhci-sched.c
@@ -261,8 +261,7 @@ static void move_head_to_tail(struct list_head *list)
 	struct list_head *node = list->next;
 
 	if (!list_empty(list)) {
-		list_del(node);
-		list_add_tail(node, list);
+		list_move_tail(node, list);
 	}
 }