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Message-Id: <20191216174811.685771041@linuxfoundation.org>
Date:   Mon, 16 Dec 2019 18:47:46 +0100
From:   Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:     linux-kernel@...r.kernel.org
Cc:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        stable@...r.kernel.org, Dmitry Osipenko <digetx@...il.com>,
        Bjorn Andersson <bjorn.andersson@...aro.org>,
        Georgi Djakov <georgi.djakov@...aro.org>
Subject: [PATCH 5.3 026/180] interconnect: qcom: sdm845: Walk the list safely on node removal

From: Georgi Djakov <georgi.djakov@...aro.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@...il.com>
Reviewed-by: Bjorn Andersson <bjorn.andersson@...aro.org>
Signed-off-by: Georgi Djakov <georgi.djakov@...aro.org>
Cc: <stable@...r.kernel.org> # v5.3+
Link: https://lore.kernel.org/r/20191212075332.16202-3-georgi.djakov@linaro.org
Signed-off-by: Greg Kroah-Hartman <gregkh@...uxfoundation.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
@@ -807,9 +807,9 @@ 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) {
 		icc_node_del(n);
 		icc_node_destroy(n->id);
 	}


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