Per IEEE Std. 802.11-2012, Sec 8.2.4.4.1, the sequence Control field is
not present in control frames.  We noticed this problem when processing
Block Ack Requests.

Signed-off-by: Javier Cardona <[email protected]>
Signed-off-by: Javier Lopez <[email protected]>
---
 net/mac80211/rx.c |    4 ++++
 1 files changed, 4 insertions(+), 0 deletions(-)

diff --git a/net/mac80211/rx.c b/net/mac80211/rx.c
index f975f64..bf54336 100644
--- a/net/mac80211/rx.c
+++ b/net/mac80211/rx.c
@@ -1467,6 +1467,10 @@ ieee80211_rx_h_defragment(struct ieee80211_rx_data *rx)
 
        hdr = (struct ieee80211_hdr *)rx->skb->data;
        fc = hdr->frame_control;
+
+       if (ieee80211_is_ctl(fc))
+               return RX_CONTINUE;
+
        sc = le16_to_cpu(hdr->seq_ctrl);
        frag = sc & IEEE80211_SCTL_FRAG;
 
-- 
1.7.5.4

_______________________________________________
Devel mailing list
[email protected]
http://lists.open80211s.org/cgi-bin/mailman/listinfo/devel

Reply via email to