From: Dmitry Antipov <dmantipov@yandex.ru>
Date: Mon, 24 Jul 2023 10:11:07 +0000 (+0300)
Subject: wifi: ath9k: avoid using uninitialized array
X-Git-Url: http://git.maquefel.me/?a=commitdiff_plain;h=90f2ba4896e289ba7973a5349cbad4463c97e321;p=linux.git

wifi: ath9k: avoid using uninitialized array

In 'ath_tx_count_frames()', 'ba' array may be used uninitialized, so
add 'memset()' call similar to one used in 'ath_tx_complete_aggr()'.

Signed-off-by: Dmitry Antipov <dmantipov@yandex.ru>
Acked-by: Toke Høiland-Jørgensen <toke@toke.dk>
Signed-off-by: Kalle Valo <quic_kvalo@quicinc.com>
Link: https://lore.kernel.org/r/20230620080855.396851-1-dmantipov@yandex.ru
---

diff --git a/drivers/net/wireless/ath/ath9k/xmit.c b/drivers/net/wireless/ath/ath9k/xmit.c
index f6f2ab7a63ffc..8babaaacacf59 100644
--- a/drivers/net/wireless/ath/ath9k/xmit.c
+++ b/drivers/net/wireless/ath/ath9k/xmit.c
@@ -466,6 +466,8 @@ static void ath_tx_count_frames(struct ath_softc *sc, struct ath_buf *bf,
 	*nframes = 0;
 
 	isaggr = bf_isaggr(bf);
+	memset(ba, 0, WME_BA_BMP_SIZE >> 3);
+
 	if (isaggr) {
 		seq_st = ts->ts_seqnum;
 		memcpy(ba, &ts->ba_low, WME_BA_BMP_SIZE >> 3);