diff options
| author | Grant Likely <grant.likely@linaro.org> | 2013-08-28 20:18:13 +0100 |
|---|---|---|
| committer | Grant Likely <grant.likely@linaro.org> | 2013-08-28 20:18:13 +0100 |
| commit | 8be137f2664f0abb096626a9d2ce0fcdd955b109 (patch) | |
| tree | 2c53a5535265a58eb397d6fbbab2ec26e92e6931 /net/mac80211/rx.c | |
| parent | 8851b9f1625ce0858e9b1bb0ae4a57d4b43178b1 (diff) | |
| parent | d8dfad3876e4386666b759da3c833d62fb8b2267 (diff) | |
| download | linux-8be137f2664f0abb096626a9d2ce0fcdd955b109.tar.gz linux-8be137f2664f0abb096626a9d2ce0fcdd955b109.tar.bz2 linux-8be137f2664f0abb096626a9d2ce0fcdd955b109.zip | |
Merge tag 'v3.11-rc7' into devicetree/next
Linux 3.11-rc7
Diffstat (limited to 'net/mac80211/rx.c')
| -rw-r--r-- | net/mac80211/rx.c | 10 |
1 files changed, 8 insertions, 2 deletions
diff --git a/net/mac80211/rx.c b/net/mac80211/rx.c index 23dbcfc69b3b..2c5a79bd3777 100644 --- a/net/mac80211/rx.c +++ b/net/mac80211/rx.c @@ -936,8 +936,14 @@ ieee80211_rx_h_check(struct ieee80211_rx_data *rx) struct ieee80211_hdr *hdr = (struct ieee80211_hdr *)rx->skb->data; struct ieee80211_rx_status *status = IEEE80211_SKB_RXCB(rx->skb); - /* Drop duplicate 802.11 retransmissions (IEEE 802.11 Chap. 9.2.9) */ - if (rx->sta && !is_multicast_ether_addr(hdr->addr1)) { + /* + * Drop duplicate 802.11 retransmissions + * (IEEE 802.11-2012: 9.3.2.10 "Duplicate detection and recovery") + */ + if (rx->skb->len >= 24 && rx->sta && + !ieee80211_is_ctl(hdr->frame_control) && + !ieee80211_is_qos_nullfunc(hdr->frame_control) && + !is_multicast_ether_addr(hdr->addr1)) { if (unlikely(ieee80211_has_retry(hdr->frame_control) && rx->sta->last_seq_ctrl[rx->seqno_idx] == hdr->seq_ctrl)) { |