diff options
| author | Javier Cardona <javier@cozybit.com> | 2012-10-24 12:43:30 -0700 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2012-11-17 13:18:30 -0800 |
| commit | f93b7f659e82603aaf64cce070b189f2aefcf41f (patch) | |
| tree | 054bf6d7855325d05ad083b1e611865230cb8932 | |
| parent | f7d0737b4c3912713a6fb381cde2e375c2ad4f0c (diff) | |
mac80211: Only process mesh config header on frames that RA_MATCH
commit 555cb715be8ef98b8ec362b23dfc254d432a35b1 upstream.
Doing otherwise is wrong, and may wreak havoc on the mpp tables,
specially if the frame is encrypted.
Reported-by: Chaoxing Lin <Chaoxing.Lin@ultra-3eti.com>
Signed-off-by: Javier Cardona <javier@cozybit.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
| -rw-r--r-- | net/mac80211/rx.c | 6 |
1 files changed, 2 insertions, 4 deletions
diff --git a/net/mac80211/rx.c b/net/mac80211/rx.c index 0cb4edee6af5..3a194145c4d7 100644 --- a/net/mac80211/rx.c +++ b/net/mac80211/rx.c @@ -1857,7 +1857,8 @@ ieee80211_rx_h_mesh_fwding(struct ieee80211_rx_data *rx) mesh_rmc_check(hdr->addr3, mesh_hdr, rx->sdata)) return RX_DROP_MONITOR; - if (!ieee80211_is_data(hdr->frame_control)) + if (!ieee80211_is_data(hdr->frame_control) || + !(status->rx_flags & IEEE80211_RX_RA_MATCH)) return RX_CONTINUE; if (!mesh_hdr->ttl) @@ -1901,9 +1902,6 @@ ieee80211_rx_h_mesh_fwding(struct ieee80211_rx_data *rx) } skb_set_queue_mapping(skb, q); - if (!(status->rx_flags & IEEE80211_RX_RA_MATCH)) - goto out; - if (!--mesh_hdr->ttl) { IEEE80211_IFSTA_MESH_CTR_INC(ifmsh, dropped_frames_ttl); return RX_DROP_MONITOR; |