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authorJohannes Berg <johannes.berg@intel.com>2013-05-13 16:42:40 +0200
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2013-06-07 12:52:24 -0700
commitc52d6fec681236d2adc5cdfcc10e76c7baea455d (patch)
tree493b3981177b65c0cc53d1d4b95a8867ef06508e /net/mac80211/rx.c
parent524a8e8f658703d0e105bfb48c26edcdefc2aa3c (diff)
mac80211: fix AP-mode frame matching
commit 2b9ccd4e4308272e5aec614b77c5385e7ec2ec90 upstream. In AP mode, ignore frames with mis-matched BSSID that aren't multicast or sent to the correct destination. This fixes reporting public action frames to userspace multiple times on multiple virtual AP interfaces. Reported-by: Jouni Malinen <j@w1.fi> Signed-off-by: Johannes Berg <johannes.berg@intel.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'net/mac80211/rx.c')
-rw-r--r--net/mac80211/rx.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/net/mac80211/rx.c b/net/mac80211/rx.c
index c6844ad080be..bb0b4577d0e6 100644
--- a/net/mac80211/rx.c
+++ b/net/mac80211/rx.c
@@ -3032,6 +3032,9 @@ static int prepare_for_handlers(struct ieee80211_rx_data *rx,
* and location updates. Note that mac80211
* itself never looks at these frames.
*/
+ if (!multicast &&
+ !ether_addr_equal(sdata->vif.addr, hdr->addr1))
+ return 0;
if (ieee80211_is_public_action(hdr, skb->len))
return 1;
if (!ieee80211_is_beacon(hdr->frame_control))