[PATCH 1/3] drm: Remove drm_vblank_cleanup from drm_vblank_init error path.

[Ville Syrjälä]

On Wed, Aug 06, 2014 at 03:22:44AM +0200, Mario Kleiner wrote:
> drm_vblank_cleanup() would operate on non-existent dev->vblank
> data structure, as failure to allocate that data structure is
> what triggers the error path in the first place.
> 
> Signed-off-by: Mario Kleiner <mario.kleiner.de at gmail.com>
> Cc: stable at vger.kernel.org

Reviewed-by: Ville Syrjälä <ville.syrjala at linux.intel.com>

> ---
>  drivers/gpu/drm/drm_irq.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/drivers/gpu/drm/drm_irq.c b/drivers/gpu/drm/drm_irq.c
> index 0de123a..553a58c 100644
> --- a/drivers/gpu/drm/drm_irq.c
> +++ b/drivers/gpu/drm/drm_irq.c
> @@ -224,7 +224,7 @@ int drm_vblank_init(struct drm_device *dev, int num_crtcs)
>  	return 0;
>  
>  err:
> -	drm_vblank_cleanup(dev);
> +	dev->num_crtcs = 0;
>  	return ret;
>  }
>  EXPORT_SYMBOL(drm_vblank_init);
> -- 
> 1.9.1
> 
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-- 
Ville Syrjälä
Intel OTC