From: Wei Yongjun <yongjun_wei@trendmicro.com.cn>
Date: Thu, 6 Sep 2012 05:20:53 +0000 (+0800)
Subject: mac80211: use list_move instead of list_del/list_add
X-Git-Tag: firefly_0821_release~3680^2~1949^2~30^2~48^2~30
X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=a4ed53466a289a4139405bf7190c78a8e9d8debf;p=firefly-linux-kernel-4.4.55.git

mac80211: use list_move instead of list_del/list_add

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@trendmicro.com.cn>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
---

diff --git a/net/mac80211/offchannel.c b/net/mac80211/offchannel.c
index 507121dad082..83608ac16780 100644
--- a/net/mac80211/offchannel.c
+++ b/net/mac80211/offchannel.c
@@ -233,8 +233,7 @@ static void ieee80211_hw_roc_start(struct work_struct *work)
 			u32 dur = dep->duration;
 			dep->duration = dur - roc->duration;
 			roc->duration = dur;
-			list_del(&dep->list);
-			list_add(&dep->list, &roc->list);
+			list_move(&dep->list, &roc->list);
 		}
 	}
  out_unlock: