[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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