Re: [PATCH v2] drm/cirrus: fix leaky driver load error handling

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On Mon, Dec 1, 2014 at 2:15 PM, Zach Reizner <zachr@xxxxxxxxxx> wrote:
> Before this patch, cirrus_mm_init could have failed while
> cirrus_modeset_init succeeded and the driver would have reported overall
> success on load. This patch causes cirrus_driver_load to return on the
> first error encountered.
>
> Reviewed-by: Stéphane Marchesin <marcheu@xxxxxxxxxxxx>


Thanks for updating this, looks good to me.

Reviewed-by: Sean Paul <seanpaul@xxxxxxxxxxxx>

> Signed-off-by: Zach Reizner <zachr@xxxxxxxxxx>
> ---
>  drivers/gpu/drm/cirrus/cirrus_main.c | 13 +++++++++----
>  1 file changed, 9 insertions(+), 4 deletions(-)
>
> diff --git a/drivers/gpu/drm/cirrus/cirrus_main.c b/drivers/gpu/drm/cirrus/cirrus_main.c
> index 99c1983..ab7cb54 100644
> --- a/drivers/gpu/drm/cirrus/cirrus_main.c
> +++ b/drivers/gpu/drm/cirrus/cirrus_main.c
> @@ -179,17 +179,22 @@ int cirrus_driver_load(struct drm_device *dev, unsigned long flags)
>         }
>
>         r = cirrus_mm_init(cdev);
> -       if (r)
> +       if (r) {
>                 dev_err(&dev->pdev->dev, "fatal err on mm init\n");
> +               goto out;
> +       }
>
>         r = cirrus_modeset_init(cdev);
> -       if (r)
> +       if (r) {
>                 dev_err(&dev->pdev->dev, "Fatal error during modeset init: %d\n", r);
> +               goto out;
> +       }
>
>         dev->mode_config.funcs = (void *)&cirrus_mode_funcs;
> +
> +       return 0;
>  out:
> -       if (r)
> -               cirrus_driver_unload(dev);
> +       cirrus_driver_unload(dev);
>         return r;
>  }
>
> --
> 2.2.0.rc0.207.ga3a616c
>
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