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Diffstat (limited to 'net/mac80211/airtime.c')
-rw-r--r--net/mac80211/airtime.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/net/mac80211/airtime.c b/net/mac80211/airtime.c
index 2e66598fac79..e8ebd343e2bf 100644
--- a/net/mac80211/airtime.c
+++ b/net/mac80211/airtime.c
@@ -452,6 +452,9 @@ static u32 ieee80211_get_rate_duration(struct ieee80211_hw *hw,
(status->encoding == RX_ENC_HE && streams > 8)))
return 0;
+ if (idx >= MCS_GROUP_RATES)
+ return 0;
+
duration = airtime_mcs_groups[group].duration[idx];
duration <<= airtime_mcs_groups[group].shift;
*overhead = 36 + (streams << 2);