2023-06-20 07:35:15

by Dmitry Antipov

[permalink] [raw]
Subject: [PATCH 1/2] 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 <[email protected]>
---
drivers/net/wireless/ath/ath9k/xmit.c | 2 ++
1 file changed, 2 insertions(+)

diff --git a/drivers/net/wireless/ath/ath9k/xmit.c b/drivers/net/wireless/ath/ath9k/xmit.c
index f6f2ab7a63ff..8babaaacacf5 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);
--
2.41.0