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mac80211: Do not override AID in the duration field

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When updating the duration field for TX frames, skip the update for
PS-Poll frames that use this field for other purposes (AID).

Signed-off-by: Jouni Malinen <[email protected]>
Signed-off-by: John W. Linville <[email protected]>
This commit is contained in:
Jouni Malinen 2009-05-19 19:25:58 +03:00 • committed by John W. Linville
commit 7e0aae4732
1 changed files with 2 additions and 0 deletions
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2
net/mac80211/tx.c
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@ -872,6 +872,8 @@ ieee80211_tx_h_calculate_duration(struct ieee80211_tx_data *tx)
do {
hdr = (void *) skb->data;
if (unlikely(ieee80211_is_pspoll(hdr->frame_control)))
break; /* must not overwrite AID */
next_len = skb->next ? skb->next->len : 0;
group_addr = is_multicast_ether_addr(hdr->addr1);