Sep 06 2012

staging: gdm72xx: use list_move instead of list_del/list_add 

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

Using list_move() instead of list_del() + list_add().

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/staging/gdm72xx/gdm_usb.c | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)
 
diff --git a/drivers/staging/gdm72xx/gdm_usb.c b/drivers/staging/gdm72xx/gdm_usb.c
index 932a797..41e08a7 100644
--- a/drivers/staging/gdm72xx/gdm_usb.c
+++ b/drivers/staging/gdm72xx/gdm_usb.c
@@ -186,8 +186,7 @@ static struct usb_rx *get_rx_struct(struct rx_cxt *rx)
 /* Before this function is called, spin lock should be locked. */
 static void put_rx_struct(struct rx_cxt *rx, struct usb_rx *r)
 {
-	list_del(&r->list);
-	list_add(&r->list, &rx->free_list);
+	list_move(&r->list, &rx->free_list);
 }
 
 static int init_usb(struct usbwm_dev *udev)

qlambert