net/wireless: Remove double test
Julia Lawall [Sat, 28 Aug 2010 15:41:06 +0000 (17:41 +0200)]
The same expression is tested twice and the result is the same each time.

The sematic match that finds this problem is as follows:
(http://coccinelle.lip6.fr/)

// <smpl>
@expression@
expression E;
@@

(
* E
  || ... || E
|
* E
  && ... && E
)
// </smpl>

Signed-off-by: Julia Lawall <julia@diku.dk>
Signed-off-by: John W. Linville <linville@tuxdriver.com>

net/wireless/wext-core.c

index 0ef17bc..4038593 100644 (file)
@@ -611,7 +611,7 @@ struct iw_statistics *get_wireless_stats(struct net_device *dev)
 #endif
 
 #ifdef CONFIG_CFG80211_WEXT
-       if (dev->ieee80211_ptr && dev->ieee80211_ptr &&
+       if (dev->ieee80211_ptr &&
            dev->ieee80211_ptr->wiphy &&
            dev->ieee80211_ptr->wiphy->wext &&
            dev->ieee80211_ptr->wiphy->wext->get_wireless_stats)