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mt76: mt7615: check sta_rates pointer in mt7615_sta_rate_tbl_update

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Check sta_rates pointer value in mt7615_sta_rate_tbl_update routine
since minstrel_ht_update_rates can fail allocating rates array.

Fixes: 04b8e65922f63 ("mt76: add mac80211 driver for MT7615 PCIe-based chipsets")
Signed-off-by: Lorenzo Bianconi <[email protected]>
Signed-off-by: Felix Fietkau <[email protected]>
This commit is contained in:
Lorenzo Bianconi
2022-01-28 14:50:18 +01:00
committed by Felix Fietkau
parent 37c3bf2256
commit 96959bd15e
1 changed files with 3 additions and 0 deletions
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mt7615/main.c
+3
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@@ -689,6 +689,9 @@ static void mt7615_sta_rate_tbl_update(struct ieee80211_hw *hw,
struct ieee80211_sta_rates *sta_rates = rcu_dereference(sta->rates);
int i;
if (!sta_rates)
return;
spin_lock_bh(&dev->mt76.lock);
for (i = 0; i < ARRAY_SIZE(msta->rates); i++) {
msta->rates[i].idx = sta_rates->rate[i].idx;