[5.4,033/177] interconnect: qcom: sdm845: Walk the list safely on node removal

Message ID 20191216174826.474653116@linuxfoundation.org
State New
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  • Untitled series #25728
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Commit Message

Greg Kroah-Hartman Dec. 16, 2019, 5:48 p.m.
From: Georgi Djakov <georgi.djakov@linaro.org>

commit b29b8113bb41285eb7ed55ce0c65017b5c0240f7 upstream.

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

Fixes: b5d2f741077a ("interconnect: qcom: Add sdm845 interconnect provider driver")
Reported-by: Dmitry Osipenko <digetx@gmail.com>
Reviewed-by: Bjorn Andersson <bjorn.andersson@linaro.org>

Signed-off-by: Georgi Djakov <georgi.djakov@linaro.org>

Cc: <stable@vger.kernel.org> # v5.3+
Link: https://lore.kernel.org/r/20191212075332.16202-3-georgi.djakov@linaro.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

 drivers/interconnect/qcom/sdm845.c |    4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)


--- a/drivers/interconnect/qcom/sdm845.c
+++ b/drivers/interconnect/qcom/sdm845.c
@@ -868,9 +868,9 @@  static int qnoc_remove(struct platform_d
 	struct qcom_icc_provider *qp = platform_get_drvdata(pdev);
 	struct icc_provider *provider = &qp->provider;
-	struct icc_node *n;
+	struct icc_node *n, *tmp;
-	list_for_each_entry(n, &provider->nodes, node_list) {
+	list_for_each_entry_safe(n, tmp, &provider->nodes, node_list) {