Re: [PATCH v1 1/1] PCI/MSI: Make error path handling follow the standard pattern

From: Bjorn Helgaas
Date: Fri Apr 26 2024 - 18:05:27 EST


On Fri, Apr 26, 2024 at 05:40:39PM +0300, Andy Shevchenko wrote:
> Make error path handling follow the standard pattern, i.e.
> checking for errors first. This makes code much more easier
> to read and understand despite being a bit longer.
>
> Signed-off-by: Andy Shevchenko <andriy.shevchenko@xxxxxxxxxxxxxxx>

Applied to pci/msi for v6.10, thanks!

I like this style much better too.

> ---
> drivers/pci/msi/msi.c | 15 +++++++++------
> 1 file changed, 9 insertions(+), 6 deletions(-)
>
> diff --git a/drivers/pci/msi/msi.c b/drivers/pci/msi/msi.c
> index 682fa877478f..c5625dd9bf49 100644
> --- a/drivers/pci/msi/msi.c
> +++ b/drivers/pci/msi/msi.c
> @@ -86,9 +86,11 @@ static int pcim_setup_msi_release(struct pci_dev *dev)
> return 0;
>
> ret = devm_add_action(&dev->dev, pcim_msi_release, dev);
> - if (!ret)
> - dev->is_msi_managed = true;
> - return ret;
> + if (ret)
> + return ret;
> +
> + dev->is_msi_managed = true;
> + return 0;
> }
>
> /*
> @@ -99,9 +101,10 @@ static int pci_setup_msi_context(struct pci_dev *dev)
> {
> int ret = msi_setup_device_data(&dev->dev);
>
> - if (!ret)
> - ret = pcim_setup_msi_release(dev);
> - return ret;
> + if (ret)
> + return ret;
> +
> + return pcim_setup_msi_release(dev);
> }
>
> /*
> --
> 2.43.0.rc1.1336.g36b5255a03ac
>