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SubjectRe: [PATCH] drm/bridge: dw-hdmi-cec: Make use of the helper function devm_add_action_or_reset()
Hi Cai,

Thank you for the patch.

On Wed, Sep 22, 2021 at 08:59:08PM +0800, Cai Huoqing wrote:
> The helper function devm_add_action_or_reset() will internally
> call devm_add_action(), and if devm_add_action() fails then it will
> execute the action mentioned and return the error code. So
> use devm_add_action_or_reset() instead of devm_add_action()
> to simplify the error handling, reduce the code.
>
> Signed-off-by: Cai Huoqing <caihuoqing@baidu.com>

Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>

> ---
> drivers/gpu/drm/bridge/synopsys/dw-hdmi-cec.c | 6 ++----
> 1 file changed, 2 insertions(+), 4 deletions(-)
>
> diff --git a/drivers/gpu/drm/bridge/synopsys/dw-hdmi-cec.c b/drivers/gpu/drm/bridge/synopsys/dw-hdmi-cec.c
> index 70ab4fbdc23e..c8f44bcb298a 100644
> --- a/drivers/gpu/drm/bridge/synopsys/dw-hdmi-cec.c
> +++ b/drivers/gpu/drm/bridge/synopsys/dw-hdmi-cec.c
> @@ -265,11 +265,9 @@ static int dw_hdmi_cec_probe(struct platform_device *pdev)
> /* override the module pointer */
> cec->adap->owner = THIS_MODULE;
>
> - ret = devm_add_action(&pdev->dev, dw_hdmi_cec_del, cec);
> - if (ret) {
> - cec_delete_adapter(cec->adap);
> + ret = devm_add_action_or_reset(&pdev->dev, dw_hdmi_cec_del, cec);
> + if (ret)
> return ret;
> - }
>
> ret = devm_request_threaded_irq(&pdev->dev, cec->irq,
> dw_hdmi_cec_hardirq,

--
Regards,

Laurent Pinchart

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