diff options
| author | Javier Cardona <javier@cozybit.com> | 2011-10-07 01:54:22 +0400 |
|---|---|---|
| committer | John W. Linville <linville@tuxdriver.com> | 2011-10-12 00:41:12 +0400 |
| commit | 97091317aa86955dfacf1e1b2ed55cd9e399958c (patch) | |
| tree | 52289b9b7ba0d622667d5c0997adacd6b12629a1 /net/mac80211/mesh_hwmp.c | |
| parent | 3d82de0fa584fbe73cf74a3bbc906c8710c523b8 (diff) | |
| download | linux-97091317aa86955dfacf1e1b2ed55cd9e399958c.tar.xz | |
mac80211: Fix regression that allowed mpaths between non-peers.
Mesh paths should only exist over established peer links.
Signed-off-by: Javier Cardona <javier@cozybit.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Diffstat (limited to 'net/mac80211/mesh_hwmp.c')
| -rw-r--r-- | net/mac80211/mesh_hwmp.c | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/net/mac80211/mesh_hwmp.c b/net/mac80211/mesh_hwmp.c index 6df7913d7ca4..174040a42887 100644 --- a/net/mac80211/mesh_hwmp.c +++ b/net/mac80211/mesh_hwmp.c @@ -789,11 +789,20 @@ void mesh_rx_path_sel_frame(struct ieee80211_sub_if_data *sdata, struct ieee802_11_elems elems; size_t baselen; u32 last_hop_metric; + struct sta_info *sta; /* need action_code */ if (len < IEEE80211_MIN_ACTION_SIZE + 1) return; + rcu_read_lock(); + sta = sta_info_get(sdata, mgmt->sa); + if (!sta || sta->plink_state != NL80211_PLINK_ESTAB) { + rcu_read_unlock(); + return; + } + rcu_read_unlock(); + baselen = (u8 *) mgmt->u.action.u.mesh_action.variable - (u8 *) mgmt; ieee802_11_parse_elems(mgmt->u.action.u.mesh_action.variable, len - baselen, &elems); |