Re: [PATCH 5/5] PCI: xilinx-nwl: Fix platform_get_irq() error handling

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On 15.10.2017 00:07, Fabio Estevam wrote:
> When platform_get_irq() fails we should propagate the real error value
> instead of always returning -EINVAL.
> 
> Cc: Michal Simek <michal.simek@xxxxxxxxxx>
> Signed-off-by: Fabio Estevam <festevam@xxxxxxxxx>
> ---
>  drivers/pci/host/pcie-xilinx-nwl.c | 6 +++---
>  1 file changed, 3 insertions(+), 3 deletions(-)
> 
> diff --git a/drivers/pci/host/pcie-xilinx-nwl.c b/drivers/pci/host/pcie-xilinx-nwl.c
> index 65dea98..b896167 100644
> --- a/drivers/pci/host/pcie-xilinx-nwl.c
> +++ b/drivers/pci/host/pcie-xilinx-nwl.c
> @@ -591,7 +591,7 @@ static int nwl_pcie_enable_msi(struct nwl_pcie *pcie)
>  	msi->irq_msi1 = platform_get_irq_byname(pdev, "msi1");
>  	if (msi->irq_msi1 < 0) {
>  		dev_err(dev, "failed to get IRQ#%d\n", msi->irq_msi1);
> -		ret = -EINVAL;
> +		ret = msi->irq_msi1;
>  		goto err;
>  	}
>  
> @@ -602,7 +602,7 @@ static int nwl_pcie_enable_msi(struct nwl_pcie *pcie)
>  	msi->irq_msi0 = platform_get_irq_byname(pdev, "msi0");
>  	if (msi->irq_msi0 < 0) {
>  		dev_err(dev, "failed to get IRQ#%d\n", msi->irq_msi0);
> -		ret = -EINVAL;
> +		ret = msi->irq_msi0;
>  		goto err;
>  	}
>  
> @@ -735,7 +735,7 @@ static int nwl_pcie_bridge_init(struct nwl_pcie *pcie)
>  	if (pcie->irq_misc < 0) {
>  		dev_err(dev, "failed to get misc IRQ %d\n",
>  			pcie->irq_misc);
> -		return -EINVAL;
> +		return pcie->irq_misc;
>  	}
>  
>  	err = devm_request_irq(dev, pcie->irq_misc,
> 

Acked-by: Michal Simek <michal.simek@xxxxxxxxxx>

Thanks,
Michal



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