diff options
| author | David S. Miller <davem@davemloft.net> | 2010-06-06 17:42:02 -0700 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2010-06-06 17:42:02 -0700 |
| commit | eedc765ca4b19a41cf0b921a492ac08d640060d1 (patch) | |
| tree | 95c566c6238cc953e1e336115d2daafe8bcb388f /net/mac80211/rx.c | |
| parent | e59d44df46edaafb6b637e98d046775524b31104 (diff) | |
| parent | 024a07bacf8287a6ddfa83e9d5b951c5e8b4070e (diff) | |
Merge branch 'master' of master.kernel.org:/pub/scm/linux/kernel/git/davem/net-2.6
Conflicts:
drivers/net/sfc/net_driver.h
drivers/net/sfc/siena.c
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 2d9a2ee94e1..dd232061e4c 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) |