Feb 04 2015

hostap: Delete an unnecessary check before the function call “kfree” 

Author: Markus Elfring <elfring@users.sourceforge.net>

The kfree() function tests whether its argument is NULL and then
returns immediately. Thus the test around the call is not needed.

This issue was detected by using the Coccinelle software.

Signed-off-by: Markus Elfring 
Signed-off-by: Kalle Valo 

---
 drivers/net/wireless/hostap/hostap_ap.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
 
diff --git a/drivers/net/wireless/hostap/hostap_ap.c b/drivers/net/wireless/hostap/hostap_ap.c
index 5965255..fd8d83d 100644
--- a/drivers/net/wireless/hostap/hostap_ap.c
+++ b/drivers/net/wireless/hostap/hostap_ap.c
@@ -145,7 +145,7 @@ static void ap_free_sta(struct ap_data *ap, struct sta_info *sta)
 	if (sta->aid > 0)
 		ap->sta_aid[sta->aid - 1] = NULL;
 
-	if (!sta->ap && sta->u.sta.challenge)
+	if (!sta->ap)
 		kfree(sta->u.sta.challenge);
 	del_timer_sync(&sta->timer);
 #endif /* PRISM2_NO_KERNEL_IEEE80211_MGMT */

qlambert