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Commit eb593216 authored by Lorenzo Bianconi's avatar Lorenzo Bianconi Committed by Greg Kroah-Hartman
Browse files

mt76: mt7603: check sta_rates pointer in mt7603_sta_rate_tbl_update 



[ Upstream commit fc8e2c707ce11c8ec2e992885b0d53a5e04031ac ]

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

Fixes: c8846e10 ("mt76: add driver for MT7603E and MT7628/7688")
Signed-off-by: default avatarLorenzo Bianconi <lorenzo@kernel.org>
Signed-off-by: default avatarFelix Fietkau <nbd@nbd.name>
Signed-off-by: default avatarSasha Levin <sashal@kernel.org>
parent d2ee8da9

drivers/net/wireless/mediatek/mt76/mt7603/main.c

+3 −0
Original line number Diff line number Diff line
@@ -605,6 +605,9 @@ 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;