linux-kernel - Re: [PATCH v2 media-next] media: rkisp1: Fix unused value issue

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Message-ID: <20241118111252.GL31681@pendragon.ideasonboard.com>
Date: Mon, 18 Nov 2024 13:12:52 +0200
From: Laurent Pinchart <laurent.pinchart@...asonboard.com>
To: Dheeraj Reddy Jonnalagadda <dheeraj.linuxdev@...il.com>
Cc: dafna@...tmail.com, linux-media@...r.kernel.org, mchehab@...nel.org,
	heiko@...ech.de, linux-rockchip@...ts.infradead.org,
	linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH v2 media-next] media: rkisp1: Fix unused value issue

Hi Dheeraj,

Thank you for the patch.

On Mon, Nov 18, 2024 at 03:07:21PM +0530, Dheeraj Reddy Jonnalagadda wrote:
> This commit fixes an unused value issue detected by Coverity (CID
> 1519008). If ret is set to an error value in the switch statement, it is
> not handled before being overwritten later.
> 
> Signed-off-by: Dheeraj Reddy Jonnalagadda <dheeraj.linuxdev@...il.com>

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

> ---
>  drivers/media/platform/rockchip/rkisp1/rkisp1-dev.c | 3 +++
>  1 file changed, 3 insertions(+)
> 
> diff --git a/drivers/media/platform/rockchip/rkisp1/rkisp1-dev.c b/drivers/media/platform/rockchip/rkisp1/rkisp1-dev.c
> index dd114ab77800..9ad5026ab10a 100644
> --- a/drivers/media/platform/rockchip/rkisp1/rkisp1-dev.c
> +++ b/drivers/media/platform/rockchip/rkisp1/rkisp1-dev.c
> @@ -228,6 +228,9 @@ static int rkisp1_subdev_notifier_register(struct rkisp1_device *rkisp1)
>  			break;
>  		}
>  
> +		if (ret)
> +			break;
> +
>  		/* Parse the endpoint and validate the bus type. */
>  		ret = v4l2_fwnode_endpoint_parse(ep, &vep);
>  		if (ret) {

-- 
Regards,

Laurent Pinchart