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wifi: mt76: mt7996: add missing check for rx wcid entries

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Non-station wcid entries must not be passed to the rx functions.
In case of the global wcid entry, it could even lead to corruption in the wcid
array due to pointer being casted to struct mt7996_sta_link using container_of.

Fixes: 7464b12b7d ("wifi: mt76: mt7996: rework mt7996_rx_get_wcid to support MLO")
Link: https://patch.msgid.link/20250827085352.51636-3-nbd@nbd.name
Signed-off-by: Felix Fietkau <nbd@nbd.name>
This commit is contained in:
Felix Fietkau 2025-08-27 10:53:49 +02:00
parent a3c99ef88a
commit 4a522b01e3
1 changed files with 1 additions and 1 deletions
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2
drivers/net/wireless/mediatek/mt76/mt7996/mac.c
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@ -62,7 +62,7 @@ static struct mt76_wcid *mt7996_rx_get_wcid(struct mt7996_dev *dev,
int i;
wcid = mt76_wcid_ptr(dev, idx);
if (!wcid)
if (!wcid || !wcid->sta)
return NULL;
if (!mt7996_band_valid(dev, band_idx))