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-rw-r--r--net/mac80211/mesh.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/net/mac80211/mesh.c b/net/mac80211/mesh.c
index 885a5f6e2c21..707ac61d63e5 100644
--- a/net/mac80211/mesh.c
+++ b/net/mac80211/mesh.c
@@ -832,6 +832,9 @@ ieee80211_mesh_rx_probe_req(struct ieee80211_sub_if_data *sdata,
ieee802_11_parse_elems(pos, len - baselen, false, &elems);
+ if (!elems.mesh_id)
+ return;
+
/* 802.11-2012 10.1.4.3.2 */
if ((!ether_addr_equal(mgmt->da, sdata->vif.addr) &&
!is_broadcast_ether_addr(mgmt->da)) ||