[PATCH 2/5] interconnect: qcom: qcs404: Walk the list safely on node removal

From: Georgi Djakov
Date: Thu Nov 28 2019 - 08:34:45 EST


As we will remove items off the list using list_del(), we need to use the
safe version of list_for_each_entry().

Fixes: 5e4e6c4d3ae0 ("interconnect: qcom: Add QCS404 interconnect provider driver")
Reported-by: Dmitry Osipenko <digetx@xxxxxxxxx>
Signed-off-by: Georgi Djakov <georgi.djakov@xxxxxxxxxx>
---
drivers/interconnect/qcom/qcs404.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/interconnect/qcom/qcs404.c b/drivers/interconnect/qcom/qcs404.c
index b4966d8f3348..d2b455021416 100644
--- a/drivers/interconnect/qcom/qcs404.c
+++ b/drivers/interconnect/qcom/qcs404.c
@@ -494,7 +494,7 @@ static int qnoc_probe(struct platform_device *pdev)

return 0;
err:
- list_for_each_entry(node, &provider->nodes, node_list) {
+ list_for_each_entry_safe(node, &provider->nodes, node_list) {
icc_node_del(node);
icc_node_destroy(node->id);
}
@@ -510,7 +510,7 @@ static int qnoc_remove(struct platform_device *pdev)
struct icc_provider *provider = &qp->provider;
struct icc_node *n;

- list_for_each_entry(n, &provider->nodes, node_list) {
+ list_for_each_entry_safe(n, &provider->nodes, node_list) {
icc_node_del(n);
icc_node_destroy(n->id);
}