Staging: rtl8192u: Remove check of ieee in rtl819x_BAProc.c

This patch fixes following smatch warning:

drivers/staging/rtl8192u/ieee80211/rtl819x_BAProc.c:117
ieee80211_ADDBA() warn: variable dereferenced before check 'ieee' (see line 114)

As ieee can not be NULL at this point, all such checks are removed.
Signed-off-by: Vaishali Thakkar <vthakkar1994@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/staging/rtl8192u/ieee80211/rtl819x_BAProc.c

@@ -114,9 +114,9 @@ static struct sk_buff *ieee80211_ADDBA(struct ieee80211_device *ieee, u8 *Dst, P
 	u16 len = ieee->tx_headroom + 9;
 	//category(1) + action field(1) + Dialog Token(1) + BA Parameter Set(2) +  BA Timeout Value(2) +  BA Start SeqCtrl(2)(or StatusCode(2))
 	IEEE80211_DEBUG(IEEE80211_DL_TRACE | IEEE80211_DL_BA, "========>%s(), frame(%d) sentd to:%pM, ieee->dev:%p\n", __func__, type, Dst, ieee->dev);
-	if (pBA == NULL||ieee == NULL)
+	if (pBA == NULL)
 	{
-		IEEE80211_DEBUG(IEEE80211_DL_ERR, "pBA(%p) is NULL or ieee(%p) is NULL\n", pBA, ieee);
+		IEEE80211_DEBUG(IEEE80211_DL_ERR, "pBA is NULL\n");
 		return NULL;
 	}
 	skb = dev_alloc_skb(len + sizeof( struct ieee80211_hdr_3addr)); //need to add something others? FIXME