diff options
| author | Jouni Malinen <jouni.malinen@atheros.com> | 2009-05-19 19:25:58 +0300 |
|---|---|---|
| committer | John W. Linville <linville@tuxdriver.com> | 2009-05-20 14:46:34 -0400 |
| commit | 7e0aae4732067e1bdb546071423a0b3483a79d9a (patch) | |
| tree | d9c4e4dbc7e8ec0b998e0345628d92590b651b6f /net/mac80211/tx.c | |
| parent | 30196673fe17934617b5d5bfd456a0edf057a0b9 (diff) | |
mac80211: Do not override AID in the duration field
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 <jouni.malinen@atheros.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Diffstat (limited to 'net/mac80211/tx.c')
| -rw-r--r-- | net/mac80211/tx.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/net/mac80211/tx.c b/net/mac80211/tx.c index 8f68bf9746d..a910148b822 100644 --- a/net/mac80211/tx.c +++ b/net/mac80211/tx.c @@ -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); |