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mt76: mt7603: check sta_rates pointer in mt7603_sta_rate_tbl_update

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Check sta_rates pointer value in mt7603_sta_rate_tbl_update routine
since minstrel_ht_update_rates can fail allocating rates array.

Fixes: c8846e1015022 ("mt76: add driver for MT7603E and MT7628/7688")
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 ebbd2717a1
commit 37c3bf2256
1 changed files with 3 additions and 0 deletions
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mt7603/main.c
+3
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@@ -641,6 +641,9 @@ mt7603_sta_rate_tbl_update(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
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;