staging: rtl8187se: Remove NULL check before kfree

This patch was generated by the following semantic patch:
// <smpl>
@@ expression E; @@
- if (E != NULL) { kfree(E); }
+ kfree(E);

@@ expression E; @@
- if (E != NULL) { kfree(E); E = NULL; }
+ kfree(E);
+ E = NULL;
// </smpl>

Signed-off-by: Ilia Mirkin <imirkin@alum.mit.edu>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

drivers/staging/rtl8187se/ieee80211/ieee80211_softmac.c

@@ -2605,7 +2605,6 @@ void ieee80211_softmac_free(struct ieee80211_device *ieee)
 	cancel_delayed_work(&ieee->GPIOChangeRFWorkItem);
 
 	destroy_workqueue(ieee->wq);
-	if(NULL != ieee->pDot11dInfo)
 	kfree(ieee->pDot11dInfo);
 	up(&ieee->wx_sem);
 }

drivers/staging/rtl8187se/ieee80211/ieee80211_wx.c

@@ -735,7 +735,6 @@ int ieee80211_wx_set_gen_ie(struct ieee80211_device *ieee, u8 *ie, size_t len)
 		ieee->wpa_ie_len = len;
 	}
 	else{
-		if (ieee->wpa_ie)
 		kfree(ieee->wpa_ie);
 		ieee->wpa_ie = NULL;
 		ieee->wpa_ie_len = 0;