diff --git a/net/batman-adv/bridge_loop_avoidance.c b/net/batman-adv/bridge_loop_avoidance.c
index 1bef12e659cb..ffe854018bd3 100644
--- a/net/batman-adv/bridge_loop_avoidance.c
+++ b/net/batman-adv/bridge_loop_avoidance.c
@@ -356,12 +356,14 @@ static void batadv_bla_send_claim(struct batadv_priv *bat_priv, const u8 *mac,
 	       sizeof(local_claim_dest));
 	local_claim_dest.type = claimtype;
 
-	mesh_iface = primary_if->mesh_iface;
+	mesh_iface = READ_ONCE(primary_if->mesh_iface);
+	if (!mesh_iface)
+		goto out;
 
 	skb = arp_create(ARPOP_REPLY, ETH_P_ARP,
 			 /* IP DST: 0.0.0.0 */
 			 zeroip,
-			 primary_if->mesh_iface,
+			 mesh_iface,
 			 /* IP SRC: 0.0.0.0 */
 			 zeroip,
 			 /* Ethernet DST: Broadcast */