mirror of https://gitee.com/openkylin/linux.git
mt76: do not store aggregation sequence number for null-data frames
Fixes a rare corner case where a BlockAckReq might get the wrong sequence number. Signed-off-by: Felix Fietkau <nbd@nbd.name>
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@ -96,7 +96,8 @@ mt76_check_agg_ssn(struct mt76_txq *mtxq, struct sk_buff *skb)
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{
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{
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struct ieee80211_hdr *hdr = (struct ieee80211_hdr *) skb->data;
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struct ieee80211_hdr *hdr = (struct ieee80211_hdr *) skb->data;
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if (!ieee80211_is_data_qos(hdr->frame_control))
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if (!ieee80211_is_data_qos(hdr->frame_control) ||
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!ieee80211_is_data_present(hdr->frame_control))
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return;
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return;
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mtxq->agg_ssn = le16_to_cpu(hdr->seq_ctrl) + 0x10;
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mtxq->agg_ssn = le16_to_cpu(hdr->seq_ctrl) + 0x10;
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