Commit 97091317 authored by Javier Cardona's avatar Javier Cardona Committed by John W. Linville
Browse files

mac80211: Fix regression that allowed mpaths between non-peers. 



Mesh paths should only exist over established peer links.

Signed-off-by: default avatarJavier Cardona <javier@cozybit.com>
Signed-off-by: default avatarJohn W. Linville <linville@tuxdriver.com>
parent 3d82de0f

net/mac80211/mesh_hwmp.c

+9 −0
Original line number Diff line number Diff line
@@ -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);