3.4-stable review patch. If anyone has any objections, please let me know.
------------------
From: Javier Cardona <jav...@cozybit.com>
commit f7fbf70ee9db6da6033ae50d100e017ac1f26555 upstream.
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 <jav...@cozybit.com>
Signed-off-by: Javier Lopez <jlo...@cozybit.com>
Signed-off-by: Johannes Berg <johannes.b...@intel.com>
Signed-off-by: Greg Kroah-Hartman <gre...@linuxfoundation.org>
---
net/mac80211/rx.c | 4 ++++
1 file changed, 4 insertions(+)
--- a/net/mac80211/rx.c
+++ b/net/mac80211/rx.c
@@ -1465,6 +1465,10 @@ ieee80211_rx_h_defragment(struct ieee802
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;
--
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