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| author | Lorenzo Bianconi <lorenzo@kernel.org> | 2022-01-22 17:58:58 +0300 |
|---|---|---|
| committer | Felix Fietkau <nbd@nbd.name> | 2022-02-03 15:57:59 +0300 |
| commit | 6a6f457ed5fdf6777536c20644a9e42128a50ec2 (patch) | |
| tree | 57be82fed79a3b78283b651a0df71982f9b0794f /drivers/net/wireless/mediatek | |
| parent | fc8e2c707ce11c8ec2e992885b0d53a5e04031ac (diff) | |
| download | linux-6a6f457ed5fdf6777536c20644a9e42128a50ec2.tar.xz | |
mt76: mt7615: check sta_rates pointer in mt7615_sta_rate_tbl_update
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 <lorenzo@kernel.org>
Signed-off-by: Felix Fietkau <nbd@nbd.name>
Diffstat (limited to 'drivers/net/wireless/mediatek')
| -rw-r--r-- | drivers/net/wireless/mediatek/mt76/mt7615/main.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/net/wireless/mediatek/mt76/mt7615/main.c b/drivers/net/wireless/mediatek/mt76/mt7615/main.c index 9f7ac78f1222..fca38f0e1a27 100644 --- a/drivers/net/wireless/mediatek/mt76/mt7615/main.c +++ b/drivers/net/wireless/mediatek/mt76/mt7615/main.c @@ -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; |