diff options
| author | Lorenzo Bianconi <lorenzo.bianconi@redhat.com> | 2017-12-14 13:03:16 +0100 |
|---|---|---|
| committer | Kalle Valo <kvalo@codeaurora.org> | 2018-01-17 16:49:06 +0200 |
| commit | 99ac5327e902a56ca21365ed3d6e5249fe296ba6 (patch) | |
| tree | 028077fd5355f25cb36b997cecdbb01b31265197 | |
| parent | 70c8de0c154d6f40be75d12882756d126bbc4967 (diff) | |
mt76: fix possible NULL pointer dereferencing in mt76x2_ampdu_action()
Initialize mt76_txq pointer after ieee80211_txq pointer check.
Remove space after the pointer cast
Fixes: 7bc04215a66b ("mt76: add driver code for MT76x2e")
Signed-off-by: Lorenzo Bianconi <lorenzo.bianconi@redhat.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
| -rw-r--r-- | drivers/net/wireless/mediatek/mt76/mt76x2_main.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/drivers/net/wireless/mediatek/mt76/mt76x2_main.c b/drivers/net/wireless/mediatek/mt76/mt76x2_main.c index 963aea9e8801..79915cbee3f0 100644 --- a/drivers/net/wireless/mediatek/mt76/mt76x2_main.c +++ b/drivers/net/wireless/mediatek/mt76/mt76x2_main.c @@ -465,13 +465,15 @@ mt76x2_ampdu_action(struct ieee80211_hw *hw, struct ieee80211_vif *vif, struct mt76x2_dev *dev = hw->priv; struct mt76x2_sta *msta = (struct mt76x2_sta *) sta->drv_priv; struct ieee80211_txq *txq = sta->txq[params->tid]; - struct mt76_txq *mtxq = (struct mt76_txq *) txq->drv_priv; u16 tid = params->tid; u16 *ssn = ¶ms->ssn; + struct mt76_txq *mtxq; if (!txq) return -EINVAL; + mtxq = (struct mt76_txq *)txq->drv_priv; + switch (action) { case IEEE80211_AMPDU_RX_START: mt76_set(dev, MT_WCID_ADDR(msta->wcid.idx) + 4, BIT(16 + tid)); |