rtw88: rearrange if..else statements for rx rate indexes
authorYan-Hsuan Chuang <yhchuang@realtek.com>
Fri, 25 Oct 2019 09:33:43 +0000 (17:33 +0800)
committerKalle Valo <kvalo@codeaurora.org>
Thu, 31 Oct 2019 08:03:49 +0000 (10:03 +0200)
Driver just memset() rx_status to 0 before assigning rate indexes.
And driver could never hit the 'else' because the driver checks
if 'pkt_stat->rate >= DESC_RATEMCS0', so the 'else' statement can
be removed.

Also rearrange the if..else statements because DESC_RATEMCS0 is
actually larger than DESC_RATE1M ~ DESC_RATE54M, move the check
of 'pkt_stat->rate >= DESC_RATEMCS0' to the last to keep an
increasing order.

Signed-off-by: Yan-Hsuan Chuang <yhchuang@realtek.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
drivers/net/wireless/realtek/rtw88/rx.c

index 36887f9..9b90339 100644 (file)
@@ -160,19 +160,17 @@ void rtw_rx_fill_rx_status(struct rtw_dev *rtwdev,
        else if (pkt_stat->rate >= DESC_RATEMCS0)
                rx_status->encoding = RX_ENC_HT;
 
-       if (pkt_stat->rate >= DESC_RATEMCS0) {
-               rtw_desc_to_mcsrate(pkt_stat->rate, &rx_status->rate_idx,
-                                   &rx_status->nss);
-       } else if (rx_status->band == NL80211_BAND_5GHZ &&
-                  pkt_stat->rate >= DESC_RATE6M &&
-                  pkt_stat->rate <= DESC_RATE54M) {
+       if (rx_status->band == NL80211_BAND_5GHZ &&
+           pkt_stat->rate >= DESC_RATE6M &&
+           pkt_stat->rate <= DESC_RATE54M) {
                rx_status->rate_idx = pkt_stat->rate - DESC_RATE6M;
        } else if (rx_status->band == NL80211_BAND_2GHZ &&
                   pkt_stat->rate >= DESC_RATE1M &&
                   pkt_stat->rate <= DESC_RATE54M) {
                rx_status->rate_idx = pkt_stat->rate - DESC_RATE1M;
-       } else {
-               rx_status->rate_idx = 0;
+       } else if (pkt_stat->rate >= DESC_RATEMCS0) {
+               rtw_desc_to_mcsrate(pkt_stat->rate, &rx_status->rate_idx,
+                                   &rx_status->nss);
        }
 
        rx_status->flag |= RX_FLAG_MACTIME_START;