mwifiex: check SDIO multi-port aggregation buffer room correctly

We should consider current packet length also while checking
Tx aggregation buffer room.

Signed-off-by: Amitkumar Karwar <akarwar@marvell.com>
Signed-off-by: Yogesh Ashok Powar <yogeshp@marvell.com>
Signed-off-by: Bing Zhao <bzhao@marvell.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>

drivers/net/wireless/mwifiex/sdio.c

@@ -1319,7 +1319,7 @@ static int mwifiex_host_to_card_mp_aggr(struct mwifiex_adapter *adapter,
 				if (!(card->mp_wr_bitmap &
 						(1 << card->curr_wr_port))
 						|| !MP_TX_AGGR_BUF_HAS_ROOM(
-							card, next_pkt_len))
+						card, pkt_len + next_pkt_len))
 					f_send_aggr_buf = 1;
 			} else {
 				/* No room in Aggr buf, send it */