diff options
| author | Lorenzo Bianconi <lorenzo@kernel.org> | 2022-01-22 15:58:58 +0100 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2022-04-15 14:18:12 +0200 |
| commit | b03c06171b6e3ebd0f299c291a01b4dd1177cf15 (patch) | |
| tree | 8dcb386b58bae9d1316e7908ebdcc2459a55aaff /drivers/net/wireless/mediatek/mt76 | |
| parent | eb5932160e371bd8fbec5afe975435cfe748a4d5 (diff) | |
mt76: mt7615: check sta_rates pointer in mt7615_sta_rate_tbl_update
[ Upstream commit 6a6f457ed5fdf6777536c20644a9e42128a50ec2 ]
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>
Signed-off-by: Sasha Levin <sashal@kernel.org>
Diffstat (limited to 'drivers/net/wireless/mediatek/mt76')
| -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 38183aef0eb9..5ad8b0afa41f 100644 --- a/drivers/net/wireless/mediatek/mt76/mt7615/main.c +++ b/drivers/net/wireless/mediatek/mt76/mt7615/main.c @@ -385,6 +385,9 @@ 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; |