diff --git a/net/qrtr/af_qrtr.c b/net/qrtr/af_qrtr.c
index 6ec1526c182f..df6447b0c77d 100644
--- a/net/qrtr/af_qrtr.c
+++ b/net/qrtr/af_qrtr.c
@@ -479,10 +479,12 @@ static struct qrtr_node *qrtr_node_lookup(unsigned int nid)
 	struct qrtr_node *node;
 	unsigned long flags;
 
+	down_read(&qrtr_epts_lock);
 	spin_lock_irqsave(&qrtr_nodes_lock, flags);
 	node = radix_tree_lookup(&qrtr_nodes, nid);
 	node = qrtr_node_acquire(node);
 	spin_unlock_irqrestore(&qrtr_nodes_lock, flags);
+	up_read(&qrtr_epts_lock);
 
 	return node;
 }