[PATCH] PCI: stm32: clean up some error handling in probe()
Christian Bruel
christian.bruel at foss.st.com
Fri Sep 5 08:53:14 PDT 2025
On 9/5/25 10:04, Dan Carpenter wrote:
> Smatch complains that the other error paths use gotos to clean up and
> these two don't. Generally, the implication with that warning is that
> the error handly has been ommitted. In this case, the error handling is
> fine, but we can avoid a bit of code duplication by using gotos to clean
> up.
>
> Signed-off-by: Dan Carpenter <dan.carpenter at linaro.org>
> ---
> drivers/pci/controller/dwc/pcie-stm32.c | 10 ++++------
> 1 file changed, 4 insertions(+), 6 deletions(-)
>
> diff --git a/drivers/pci/controller/dwc/pcie-stm32.c b/drivers/pci/controller/dwc/pcie-stm32.c
> index 964fa6f674c8..96a5fb893af4 100644
> --- a/drivers/pci/controller/dwc/pcie-stm32.c
> +++ b/drivers/pci/controller/dwc/pcie-stm32.c
> @@ -287,18 +287,16 @@ static int stm32_pcie_probe(struct platform_device *pdev)
>
> ret = pm_runtime_set_active(dev);
> if (ret < 0) {
> - clk_disable_unprepare(stm32_pcie->clk);
> - stm32_remove_pcie_port(stm32_pcie);
> - return dev_err_probe(dev, ret, "Failed to activate runtime PM\n");
> + dev_err_probe(dev, ret, "Failed to activate runtime PM\n");
> + goto err_disable_clk;
> }
>
> pm_runtime_no_callbacks(dev);
>
> ret = devm_pm_runtime_enable(dev);
> if (ret < 0) {
> - clk_disable_unprepare(stm32_pcie->clk);
> - stm32_remove_pcie_port(stm32_pcie);
> - return dev_err_probe(dev, ret, "Failed to enable runtime PM\n");
> + dev_err_probe(dev, ret, "Failed to enable runtime PM\n");
> + goto err_disable_clk;
> }
>
> ret = dw_pcie_host_init(&stm32_pcie->pci.pp);
Acked-by: Christian Bruel <christian.bruel at foss.st.com>
thank you
Christian
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