Re: [PATCH 09/23] interconnect: qcom: rpmh: fix probe child-node error handling

Konrad Dybcio
2023-02-03T02:55:00Z

On 1.02.2023 11:15, Johan Hovold wrote:
> Make sure to clean up and release resources properly also in case probe
> fails when populating child devices.
>
> Fixes: 57eb14779dfd ("interconnect: qcom: icc-rpmh: Support child NoC device probe")
> Cc: stable@vger.kernel.org # 6.0
> Cc: Luca Weiss <luca.weiss@fairphone.com>
> Signed-off-by: Johan Hovold <johan+linaro@kernel.org>
> ---
Reviewed-by: Konrad Dybcio <konrad.dybcio@linaro.org>

Konrad
> drivers/interconnect/qcom/icc-rpmh.c | 7 +++++--
> 1 file changed, 5 insertions(+), 2 deletions(-)
>
> diff --git a/drivers/interconnect/qcom/icc-rpmh.c b/drivers/interconnect/qcom/icc-rpmh.c
> index fd17291c61eb..5168bbf3d92f 100644
> --- a/drivers/interconnect/qcom/icc-rpmh.c
> +++ b/drivers/interconnect/qcom/icc-rpmh.c
> @@ -235,8 +235,11 @@ int qcom_icc_rpmh_probe(struct platform_device *pdev)
> platform_set_drvdata(pdev, qp);
>
> /* Populate child NoC devices if any */
> - if (of_get_child_count(dev->of_node) > 0)
> - return of_platform_populate(dev->of_node, NULL, NULL, dev);
> + if (of_get_child_count(dev->of_node) > 0) {
> + ret = of_platform_populate(dev->of_node, NULL, NULL, dev);
> + if (ret)
> + goto err;
> + }
>
> return 0;