On Wednesday 09 August 2017 09:46 PM, Gustavo A. R. Silva wrote:
> platform_get_irq() returns an error code, but the pci-dra7xx driver
> ignores it and always returns -EINVAL. This is not correct and,
> prevents -EPROBE_DEFER from being propagated properly.
>
> Print and propagate the return value of platform_get_irq on failure.
>
> This issue was detected with the help of Coccinelle.
>
> Signed-off-by: Gustavo A. R. Silva <gustavo@xxxxxxxxxxxxxx>
Acked-by: Kishon Vijay Abraham I <kishon@xxxxxx>
> ---
> drivers/pci/dwc/pci-dra7xx.c | 4 ++--
> 1 file changed, 2 insertions(+), 2 deletions(-)
>
> diff --git a/drivers/pci/dwc/pci-dra7xx.c b/drivers/pci/dwc/pci-dra7xx.c
> index f2fc5f4..f58e1b4 100644
> --- a/drivers/pci/dwc/pci-dra7xx.c
> +++ b/drivers/pci/dwc/pci-dra7xx.c
> @@ -616,8 +616,8 @@ static int __init dra7xx_pcie_probe(struct platform_device *pdev)
>
> irq = platform_get_irq(pdev, 0);
> if (irq < 0) {
> - dev_err(dev, "missing IRQ resource\n");
> - return -EINVAL;
> + dev_err(dev, "missing IRQ resource: %d\n", irq);
> + return irq;
> }
>
> res = platform_get_resource_byname(pdev, IORESOURCE_MEM, "ti_conf");
>
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