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| author | David S. Miller <davem@davemloft.net> | 2010-06-03 12:30:58 -0700 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2010-06-03 12:30:58 -0700 |
| commit | 4f4aeb7fd0f7e6ca008bb2147ba36cee13876595 (patch) | |
| tree | 48f77ea91413ac36fc6ce72bf15249da6586b04e /net/mac80211/rx.c | |
| parent | a1868dc2878e61778b9d6d8c61d5368e51d68a29 (diff) | |
| parent | 51a0d38de26226f2779912d92f155b93d539da9a (diff) | |
| download | linux-3.10-4f4aeb7fd0f7e6ca008bb2147ba36cee13876595.tar.gz linux-3.10-4f4aeb7fd0f7e6ca008bb2147ba36cee13876595.tar.bz2 linux-3.10-4f4aeb7fd0f7e6ca008bb2147ba36cee13876595.zip | |
Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/linville/wireless-2.6
Diffstat (limited to 'net/mac80211/rx.c')
| -rw-r--r-- | net/mac80211/rx.c | 13 |
1 files changed, 11 insertions, 2 deletions
diff --git a/net/mac80211/rx.c b/net/mac80211/rx.c index 6e2a7bcd8cb..5e0b65406c4 100644 --- a/net/mac80211/rx.c +++ b/net/mac80211/rx.c @@ -1818,17 +1818,26 @@ ieee80211_rx_h_ctrl(struct ieee80211_rx_data *rx, struct sk_buff_head *frames) return RX_CONTINUE; if (ieee80211_is_back_req(bar->frame_control)) { + struct { + __le16 control, start_seq_num; + } __packed bar_data; + if (!rx->sta) return RX_DROP_MONITOR; + + if (skb_copy_bits(skb, offsetof(struct ieee80211_bar, control), + &bar_data, sizeof(bar_data))) + return RX_DROP_MONITOR; + spin_lock(&rx->sta->lock); - tid = le16_to_cpu(bar->control) >> 12; + tid = le16_to_cpu(bar_data.control) >> 12; if (!rx->sta->ampdu_mlme.tid_active_rx[tid]) { spin_unlock(&rx->sta->lock); return RX_DROP_MONITOR; } tid_agg_rx = rx->sta->ampdu_mlme.tid_rx[tid]; - start_seq_num = le16_to_cpu(bar->start_seq_num) >> 4; + start_seq_num = le16_to_cpu(bar_data.start_seq_num) >> 4; /* reset session timer */ if (tid_agg_rx->timeout) |