The wcid can be NULL. It should be checked for validity before dereferencing it to avoid crash. Fixes: 098428c400ff ("wifi: mt76: connac: set correct muar_idx for mt799x chipsets") Signed-off-by: Muhammad Usama Anjum <usama.anjum@xxxxxxxxxxxxx> --- drivers/net/wireless/mediatek/mt76/mt76_connac_mcu.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/net/wireless/mediatek/mt76/mt76_connac_mcu.c b/drivers/net/wireless/mediatek/mt76/mt76_connac_mcu.c index af0c2b2aacb00..7af60eebe517a 100644 --- a/drivers/net/wireless/mediatek/mt76/mt76_connac_mcu.c +++ b/drivers/net/wireless/mediatek/mt76/mt76_connac_mcu.c @@ -283,7 +283,7 @@ __mt76_connac_mcu_alloc_sta_req(struct mt76_dev *dev, struct mt76_vif *mvif, }; struct sk_buff *skb; - if (is_mt799x(dev) && !wcid->sta) + if (is_mt799x(dev) && wcid && !wcid->sta) hdr.muar_idx = 0xe; mt76_connac_mcu_get_wlan_idx(dev, wcid, &hdr.wlan_idx_lo, -- 2.39.2