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wifi: mt76: connac: check for null before dereferencing

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The wcid can be NULL. It should be checked for validity before
dereferencing it to avoid crash.

Fixes: 098428c400 ("wifi: mt76: connac: set correct muar_idx for mt799x chipsets")
Signed-off-by: Muhammad Usama Anjum <usama.anjum@collabora.com>
Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
Signed-off-by: Felix Fietkau <nbd@nbd.name>
This commit is contained in:
Muhammad Usama Anjum
2024-03-01 19:44:06 +05:00
committed by Felix Fietkau
parent 21de5f7226
commit cb47c7be0e
1 changed files with 1 additions and 1 deletions
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2
drivers/net/wireless/mediatek/mt76/mt76_connac_mcu.c
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@@ -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,