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SubjectRe: [PATCH v2 1/5] interconnect: qcom: sdm845: Walk the list safely on node removal
On Mon 02 Dec 08:21 PST 2019, Georgi Djakov wrote:

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

Reviewed-by: Bjorn Andersson <bjorn.andersson@linaro.org>

> ---
> v2:
> - Fix the number of parameters that got messed up. (Bjorn)
>
> drivers/interconnect/qcom/sdm845.c | 4 ++--
> 1 file changed, 2 insertions(+), 2 deletions(-)
>
> diff --git a/drivers/interconnect/qcom/sdm845.c b/drivers/interconnect/qcom/sdm845.c
> index 502a6c22b41e..387267ee9648 100644
> --- a/drivers/interconnect/qcom/sdm845.c
> +++ b/drivers/interconnect/qcom/sdm845.c
> @@ -868,9 +868,9 @@ static int qnoc_remove(struct platform_device *pdev)
> {
> 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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