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wifi: mt76: mt7996: fix pointer calculation in ie countdown event

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Fix the tail and data pointers. The rxd->len in mt7996_mcu_rxd does not
include the length of general rxd. It only includes the length of
firmware event rxd. Use skb->length to get the correct length.

Fixes: 98686cd216 ("wifi: mt76: mt7996: add driver for MediaTek Wi-Fi 7 (802.11be) devices")
Signed-off-by: Peter Chiu <chui-hao.chiu@mediatek.com>
Signed-off-by: Shayne Chen <shayne.chen@mediatek.com>
Signed-off-by: Felix Fietkau <nbd@nbd.name>
This commit is contained in:
Peter Chiu
2023-03-03 16:35:55 +08:00
committed by Felix Fietkau
parent c04ab57dab
commit 8b14ce24a0
1 changed files with 2 additions and 1 deletions
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3
drivers/net/wireless/mediatek/mt76/mt7996/mcu.c
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@@ -422,7 +422,8 @@ mt7996_mcu_ie_countdown(struct mt7996_dev *dev, struct sk_buff *skb)
if (hdr->band && dev->mt76.phys[hdr->band])
mphy = dev->mt76.phys[hdr->band];
tail = skb->data + le16_to_cpu(rxd->len);
tail = skb->data + skb->len;
data += sizeof(struct header);
while (data + sizeof(struct tlv) < tail && le16_to_cpu(tlv->len)) {
switch (le16_to_cpu(tlv->tag)) {
case UNI_EVENT_IE_COUNTDOWN_CSA: