Sep 05 2012

USB: FHCI: use list_move_tail instead of list_del/list_add_tail 

Author: Wei Yongjun <yongjun_wei@trendmicro.com.cn>

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 
Signed-off-by: Greg Kroah-Hartman 

---
 drivers/usb/host/fhci-sched.c | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)
 
diff --git a/drivers/usb/host/fhci-sched.c b/drivers/usb/host/fhci-sched.c
index 2dc8a40..8f18538 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);
 	}
 }

qlambert