rndis_wlan: Remove redundant NULL check before kfree

kfree on a NULL pointer is a no-op.
Signed-off-by: Syam Sidhardhan <s.syam@samsung.com>
Acked-by: Jussi Kivilinna <jussi.kivilinna@mbnet.fi>
Signed-off-by: John W. Linville <linville@tuxdriver.com>

drivers/net/wireless/rndis_wlan.c

@@ -2839,8 +2839,7 @@ static void rndis_wlan_do_link_up_work(struct usbnet *usbdev)
 	} else if (priv->infra_mode == NDIS_80211_INFRA_ADHOC)
 		cfg80211_ibss_joined(usbdev->net, bssid, GFP_KERNEL);
 
-	if (info != NULL)
-		kfree(info);
+	kfree(info);
 
 	priv->connected = true;
 	memcpy(priv->bssid, bssid, ETH_ALEN);