From 34c09bf47fd656f1ec67fb5198acdc5dda76ca00 Mon Sep 17 00:00:00 2001
From: Chris Lew <clew@codeaurora.org>
Date: Mon, 13 Jan 2020 19:43:48 -0800
Subject: [PATCH] net: qrtr: Use radix_tree_iter_delete

Use radix_tree_iter_delete instead of radix_tree_delete to properly
remove slots in a radix tree without any dangling references.

Change-Id: Ie72272d467b962538e7fe29b14c5d845308a9c51
Signed-off-by: Chris Lew <clew@codeaurora.org>
---
 net/qrtr/qrtr.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/net/qrtr/qrtr.c b/net/qrtr/qrtr.c
index 65e208785b06..66224e65985f 100644
--- a/net/qrtr/qrtr.c
+++ b/net/qrtr/qrtr.c
@@ -341,7 +341,8 @@ static void __qrtr_node_release(struct kref *kref)
 	if (node->nid != QRTR_EP_NID_AUTO) {
 		radix_tree_for_each_slot(slot, &qrtr_nodes, &iter, 0) {
 			if (node == *slot)
-				radix_tree_delete(&qrtr_nodes, iter.index);
+				radix_tree_iter_delete(&qrtr_nodes, &iter,
+						       slot);
 		}
 	}
 	spin_unlock_irqrestore(&qrtr_nodes_lock, flags);