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ath9k: fix ath_get_rate_txpower() to respect the rate list end tag

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Stop reading (and copying) from ieee80211_tx_rate to ath_tx_info.rates
after list end tag (count == 0, idx < 0), prevents copying of garbage
to card registers.

Note: no need to write to the remaining ath_tx_info.rates entries
as the complete ath_tx_info struct is already initialized to zero from
both call sites.

Signed-off-by: Peter Seiderer <ps.report@gmx.net>
Acked-by: Toke Høiland-Jørgensen <toke@toke.dk>
Signed-off-by: Kalle Valo <quic_kvalo@quicinc.com>
Link: https://lore.kernel.org/r/20220402153014.31332-1-ps.report@gmx.net
This commit is contained in:
Peter Seiderer
2022-04-02 17:30:13 +02:00
committed by Kalle Valo
parent ebc7a49627
commit 24584d4f0a
1 changed files with 1 additions and 1 deletions
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2
drivers/net/wireless/ath/ath9k/xmit.c
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@@ -1271,7 +1271,7 @@ static void ath_buf_set_rate(struct ath_softc *sc, struct ath_buf *bf,
int phy;
if (!rates[i].count || (rates[i].idx < 0))
continue;
break;
rix = rates[i].idx;
info->rates[i].Tries = rates[i].count;