Re: [PATCH 2/9] drm: rcar-du: Release vsp device reference in all error paths

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Hi Laurent,

On Sat, Dec 05, 2020 at 12:01:32AM +0200, Laurent Pinchart wrote:
> Use drmm_add_action_or_reset() instead of drmm_add_action() to ensure
> the vsp device reference is released in case the function call fails.
>
> Signed-off-by: Laurent Pinchart <laurent.pinchart+renesas@xxxxxxxxxxxxxxxx>

Just in case... better safe than sorry

Reviewed-by: Jacopo Mondi <jacopo+renesas@xxxxxxxxxx>

> ---
>  drivers/gpu/drm/rcar-du/rcar_du_vsp.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/drivers/gpu/drm/rcar-du/rcar_du_vsp.c b/drivers/gpu/drm/rcar-du/rcar_du_vsp.c
> index f6a69aa116e6..4dcb1bfbe201 100644
> --- a/drivers/gpu/drm/rcar-du/rcar_du_vsp.c
> +++ b/drivers/gpu/drm/rcar-du/rcar_du_vsp.c
> @@ -364,7 +364,7 @@ int rcar_du_vsp_init(struct rcar_du_vsp *vsp, struct device_node *np,
>
>  	vsp->vsp = &pdev->dev;
>
> -	ret = drmm_add_action(rcdu->ddev, rcar_du_vsp_cleanup, vsp);
> +	ret = drmm_add_action_or_reset(rcdu->ddev, rcar_du_vsp_cleanup, vsp);
>  	if (ret < 0)
>  		return ret;
>
> --
> Regards,
>
> Laurent Pinchart
>
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