linux-kernel - Re: [PATCH] leds: lp50xx: add missing fwnode_handle

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Date:   Wed, 11 Nov 2020 07:27:55 -0600
From:   Dan Murphy <dmurphy@...com>
To:     Qinglang Miao <miaoqinglang@...wei.com>,
        Pavel Machek <pavel@....cz>
CC:     <linux-leds@...r.kernel.org>, <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH] leds: lp50xx: add missing fwnode_handle_put in error
 handling case

Hello

On 11/10/20 9:21 PM, Qinglang Miao wrote:
> Fix to goto child_out to do fwnode_handle_put(child)
> from the error handling case rather than simply return,
> as done elsewhere in this function.
>
> Fixes: 242b81170fb8 ("leds: lp50xx: Add the LP50XX family of the RGB LED driver")
> Reported-by: Hulk Robot <hulkci@...wei.com>
> Signed-off-by: Qinglang Miao <miaoqinglang@...wei.com>
> ---
>   drivers/leds/leds-lp50xx.c | 2 +-
>   1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/drivers/leds/leds-lp50xx.c b/drivers/leds/leds-lp50xx.c
> index 5fb4f24aeb2e..49a997b2c781 100644
> --- a/drivers/leds/leds-lp50xx.c
> +++ b/drivers/leds/leds-lp50xx.c
> @@ -488,7 +488,7 @@ static int lp50xx_probe_dt(struct lp50xx *priv)
>   		mc_led_info = devm_kcalloc(priv->dev, LP50XX_LEDS_PER_MODULE,
>   					   sizeof(*mc_led_info), GFP_KERNEL);
>   		if (!mc_led_info)
> -			return -ENOMEM;
> +			goto child_out;
>   

Thanks for the patch.

Need to set ret = -ENOMEM; then do child_out so the error is reported 
properly

Dan