linux-kernel - [PATCH] staging: wlags49_h2: use list_move instead of list_del/list

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Date:	Thu, 6 Sep 2012 12:38:59 +0800
From:	Wei Yongjun <weiyj.lk@...il.com>
To:	pe1dnn@...at.org, gregkh@...uxfoundation.org
Cc:	yongjun_wei@...ndmicro.com.cn, devel@...verdev.osuosl.org,
	linux-kernel@...r.kernel.org
Subject: [PATCH] staging: wlags49_h2: use list_move instead of list_del/list_add

From: Wei Yongjun <yongjun_wei@...ndmicro.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 <yongjun_wei@...ndmicro.com.cn>
---
 drivers/staging/wlags49_h2/wl_netdev.c | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/drivers/staging/wlags49_h2/wl_netdev.c b/drivers/staging/wlags49_h2/wl_netdev.c
index 824b852..e401b49 100644
--- a/drivers/staging/wlags49_h2/wl_netdev.c
+++ b/drivers/staging/wlags49_h2/wl_netdev.c
@@ -836,8 +836,7 @@ int wl_tx( struct sk_buff *skb, struct net_device *dev, int port )
         txF->frame.port = port;
         /* Move the frame to the txQ */
         /* NOTE: Here's where we would do priority queueing */
-        list_del( &( txF->node ));
-        list_add( &( txF->node ), &( lp->txQ[0] ));
+        list_move(&(txF->node), &(lp->txQ[0]));
 
         lp->txQ_count++;
         if( lp->txQ_count >= DEFAULT_NUM_TX_FRAMES ) {

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