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Commit 5155938d authored by Felix Fietkau's avatar Felix Fietkau
Browse files

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: default avatarFelix Fietkau <nbd@nbd.name>
parent 09580a1e

drivers/net/wireless/mediatek/mt76/tx.c

+2 −1
Original line number Diff line number Diff line
@@ -96,7 +96,8 @@ mt76_check_agg_ssn(struct mt76_txq *mtxq, struct sk_buff *skb) 
{

	struct ieee80211_hdr *hdr = (struct ieee80211_hdr *) skb->data;



	if (!ieee80211_is_data_qos(hdr->frame_control))

	if (!ieee80211_is_data_qos(hdr->frame_control) ||

	    !ieee80211_is_data_present(hdr->frame_control))

		return;



	mtxq->agg_ssn = le16_to_cpu(hdr->seq_ctrl) + 0x10;