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* [PATCH] ath6kl: use list_move_tail instead of list_del/list_add_tail
@ 2012-09-05  7:07 Wei Yongjun
  2012-09-21 16:42 ` Kalle Valo
  0 siblings, 1 reply; 2+ messages in thread
From: Wei Yongjun @ 2012-09-05  7:07 UTC (permalink / raw)
  To: kvalo, linville; +Cc: yongjun_wei, linux-wireless, netdev

From: 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 <yongjun_wei@trendmicro.com.cn>
---
 drivers/net/wireless/ath/ath6kl/htc_pipe.c | 14 ++++++--------
 1 file changed, 6 insertions(+), 8 deletions(-)

diff --git a/drivers/net/wireless/ath/ath6kl/htc_pipe.c b/drivers/net/wireless/ath/ath6kl/htc_pipe.c
index f9626c7..ba6bd49 100644
--- a/drivers/net/wireless/ath/ath6kl/htc_pipe.c
+++ b/drivers/net/wireless/ath/ath6kl/htc_pipe.c
@@ -374,9 +374,8 @@ static enum htc_send_queue_result htc_try_send(struct htc_target *target,
 				packet = list_first_entry(txq,
 							  struct htc_packet,
 							  list);
-				list_del(&packet->list);
-				/* insert into local queue */
-				list_add_tail(&packet->list, &send_queue);
+				/* move to local queue */
+				list_move_tail(&packet->list, &send_queue);
 			}
 
 			/*
@@ -399,11 +398,10 @@ static enum htc_send_queue_result htc_try_send(struct htc_target *target,
 					 * for cleanup */
 				} else {
 					/* callback wants to keep this packet,
-					 * remove from caller's queue */
-					list_del(&packet->list);
-					/* put it in the send queue */
-					list_add_tail(&packet->list,
-						      &send_queue);
+					 * move from caller's queue to the send
+					 * queue */
+					list_move_tail(&packet->list,
+						       &send_queue);
 				}
 
 			}

^ permalink raw reply related	[flat|nested] 2+ messages in thread

* Re: [PATCH] ath6kl: use list_move_tail instead of list_del/list_add_tail
  2012-09-05  7:07 [PATCH] ath6kl: use list_move_tail instead of list_del/list_add_tail Wei Yongjun
@ 2012-09-21 16:42 ` Kalle Valo
  0 siblings, 0 replies; 2+ messages in thread
From: Kalle Valo @ 2012-09-21 16:42 UTC (permalink / raw)
  To: Wei Yongjun; +Cc: linville, yongjun_wei, linux-wireless, netdev, ath6kl-devel

On 09/05/2012 10:07 AM, Wei Yongjun wrote:
> From: 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 <yongjun_wei@trendmicro.com.cn>

Thanks, applied to ath6kl.git.

Kalle

^ permalink raw reply	[flat|nested] 2+ messages in thread

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2012-09-05  7:07 [PATCH] ath6kl: use list_move_tail instead of list_del/list_add_tail Wei Yongjun
2012-09-21 16:42 ` Kalle Valo

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