From: Ming Yen Hsieh <mingyen.hsieh@xxxxxxxxxxxx> Check for a NULL `vif` before accessing `ieee80211_vif_is_mld(vif)` to avoid a potential kernel panic in scenarios where `vif` might not be initialized. Signed-off-by: Ming Yen Hsieh <mingyen.hsieh@xxxxxxxxxxxx> --- drivers/net/wireless/mediatek/mt76/mt7925/mac.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/drivers/net/wireless/mediatek/mt76/mt7925/mac.c b/drivers/net/wireless/mediatek/mt76/mt7925/mac.c index 463288a1dcc7..122aa6e9070a 100644 --- a/drivers/net/wireless/mediatek/mt76/mt7925/mac.c +++ b/drivers/net/wireless/mediatek/mt76/mt7925/mac.c @@ -803,8 +803,8 @@ mt7925_mac_write_txwi(struct mt76_dev *dev, __le32 *txwi, txwi[5] = cpu_to_le32(val); val = MT_TXD6_DAS | FIELD_PREP(MT_TXD6_MSDU_CNT, 1); - if (!ieee80211_vif_is_mld(vif) || - (q_idx >= MT_LMAC_ALTX0 && q_idx <= MT_LMAC_BCN0)) + if (vif && (!ieee80211_vif_is_mld(vif) || + (q_idx >= MT_LMAC_ALTX0 && q_idx <= MT_LMAC_BCN0))) val |= MT_TXD6_DIS_MAT; txwi[6] = cpu_to_le32(val); txwi[7] = 0; -- 2.34.1
