ath10k: simplify Rx loop

Since htt_rx_mpdu_status isn't used anymore
(instead attention flags are used) simplify the
loop.
Signed-off-by: Michal Kazior <michal.kazior@tieto.com>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>

drivers/net/wireless/ath/ath10k/htt_rx.c

@@ -1197,8 +1197,7 @@ static void ath10k_htt_rx_handler(struct ath10k_htt *htt,
 	int fw_desc_len;
 	u8 *fw_desc;
 	bool channel_set;
-	int i, j;
-	int ret;
+	int i, ret, mpdu_count = 0;
 
 	lockdep_assert_held(&htt->rx_ring.lock);
 
@@ -1237,14 +1236,15 @@ static void ath10k_htt_rx_handler(struct ath10k_htt *htt,
 			(sizeof(struct htt_rx_indication_mpdu_range) *
 				num_mpdu_ranges));
 
-	for (i = 0; i < num_mpdu_ranges; i++) {
-		for (j = 0; j < mpdu_ranges[i].mpdu_count; j++) {
+	for (i = 0; i < num_mpdu_ranges; i++)
+		mpdu_count += mpdu_ranges[i].mpdu_count;
+
+	while (mpdu_count--) {
 		attention = 0;
 		__skb_queue_head_init(&amsdu);
 		ret = ath10k_htt_rx_amsdu_pop(htt, &fw_desc,
 					      &fw_desc_len, &amsdu,
 					      &attention);
-
 		if (ret < 0) {
 			ath10k_warn(ar, "failed to pop amsdu from htt rx ring %d\n",
 				    ret);
@@ -1253,8 +1253,7 @@ static void ath10k_htt_rx_handler(struct ath10k_htt *htt,
 		}
 
 		if (!ath10k_htt_rx_amsdu_allowed(htt, skb_peek(&amsdu),
-							 channel_set,
-							 attention)) {
+						 channel_set, attention)) {
 			__skb_queue_purge(&amsdu);
 			continue;
 		}
@@ -1282,7 +1281,6 @@ static void ath10k_htt_rx_handler(struct ath10k_htt *htt,
 			ath10k_htt_rx_msdu(htt, rx_status,
 					   __skb_dequeue(&amsdu));
 	}
-	}
 
 	tasklet_schedule(&htt->rx_replenish_task);
 }