Re: [PATCH v3 1/3] drm/omap: Fail probe if irq registration fails

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On 07/02/18 14:10, Jyri Sarha wrote:
> Call to omap_drm_irq_install() may fail with an error code. In such a
> case the driver probe should fail.
> 
> Signed-off-by: Jyri Sarha <jsarha@xxxxxx>
> ---
>  drivers/gpu/drm/omapdrm/omap_drv.c | 4 ++--
>  1 file changed, 2 insertions(+), 2 deletions(-)
> 
> diff --git a/drivers/gpu/drm/omapdrm/omap_drv.c b/drivers/gpu/drm/omapdrm/omap_drv.c
> index 71ea43f..e6e7a2c 100644
> --- a/drivers/gpu/drm/omapdrm/omap_drv.c
> +++ b/drivers/gpu/drm/omapdrm/omap_drv.c
> @@ -329,9 +329,9 @@ static int omap_modeset_init(struct drm_device *dev)
>  
>  	drm_mode_config_reset(dev);
>  
> -	omap_drm_irq_install(dev);
> +	ret = omap_drm_irq_install(dev);
>  
> -	return 0;
> +	return ret;
>  }

It's better to do "if (ret) return ret;" so that it's easy (and less
error prone) to modify the code later.

Other than that:

Reviewed-by: Tomi Valkeinen <tomi.valkeinen@xxxxxx>

 Tomi

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