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wifi: ath9k: fix possible integer overflow in ath9k_get_et_stats()

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[ Upstream commit 3f66f26703 ]

In 'ath9k_get_et_stats()', promote TX stats counters to 'u64'
to avoid possible integer overflow. Compile tested only.

Found by Linux Verification Center (linuxtesting.org) with SVACE.

Signed-off-by: Dmitry Kandybka <d.kandybka@gmail.com>
Acked-by: Toke Høiland-Jørgensen <toke@toke.dk>
Signed-off-by: Kalle Valo <quic_kvalo@quicinc.com>
Link: https://patch.msgid.link/20240725111743.14422-1-d.kandybka@gmail.com
Signed-off-by: Sasha Levin <sashal@kernel.org>
This commit is contained in:
Dmitry Kandybka 2024-07-25 14:17:43 +03:00 committed by Greg Kroah-Hartman
parent 40346cbb19
commit e6e4cfb5f6
1 changed files with 2 additions and 2 deletions
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4
drivers/net/wireless/ath/ath9k/debug.c
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@ -1325,11 +1325,11 @@ void ath9k_get_et_stats(struct ieee80211_hw *hw,
struct ath_softc *sc = hw->priv;
int i = 0;
data[i++] = (sc->debug.stats.txstats[PR_QNUM(IEEE80211_AC_BE)].tx_pkts_all +
data[i++] = ((u64)sc->debug.stats.txstats[PR_QNUM(IEEE80211_AC_BE)].tx_pkts_all +
sc->debug.stats.txstats[PR_QNUM(IEEE80211_AC_BK)].tx_pkts_all +
sc->debug.stats.txstats[PR_QNUM(IEEE80211_AC_VI)].tx_pkts_all +
sc->debug.stats.txstats[PR_QNUM(IEEE80211_AC_VO)].tx_pkts_all);
data[i++] = (sc->debug.stats.txstats[PR_QNUM(IEEE80211_AC_BE)].tx_bytes_all +
data[i++] = ((u64)sc->debug.stats.txstats[PR_QNUM(IEEE80211_AC_BE)].tx_bytes_all +
sc->debug.stats.txstats[PR_QNUM(IEEE80211_AC_BK)].tx_bytes_all +
sc->debug.stats.txstats[PR_QNUM(IEEE80211_AC_VI)].tx_bytes_all +
sc->debug.stats.txstats[PR_QNUM(IEEE80211_AC_VO)].tx_bytes_all);