staging: gdm72xx: 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/staging/gdm72xx/gdm_usb.c b/drivers/staging/gdm72xx/gdm_usb.c
index c7a22fa55638f45385b08d0e801d9dfe9a4775da..932a7974217eea93c999d03192b3116e780b7f1e 100644 (file)
--- a/drivers/staging/gdm72xx/gdm_usb.c
+++ b/drivers/staging/gdm72xx/gdm_usb.c
@@ -178,8 +178,7 @@ static struct usb_rx *get_rx_struct(struct rx_cxt *rx)
        }
 
        r = list_entry(rx->free_list.next, struct usb_rx, list);
-       list_del(&r->list);
-       list_add_tail(&r->list, &rx->used_list);
+       list_move_tail(&r->list, &rx->used_list);
 
        return r;
 }