linux-hardening - Re: [PATCH 096/141] media: rcar_jpu: Fix fall-through warnings for Clang

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Message-ID: <20201122173313.0d507269@coco.lan>
Date:   Sun, 22 Nov 2020 17:33:13 +0100
From:   Mauro Carvalho Chehab <mchehab+huawei@...nel.org>
To:     "Gustavo A. R. Silva" <gustavoars@...nel.org>
Cc:     Mikhail Ulyanov <mikhail.ulyanov@...entembedded.com>,
        linux-media@...r.kernel.org, linux-kernel@...r.kernel.org,
        linux-hardening@...r.kernel.org
Subject: Re: [PATCH 096/141] media: rcar_jpu: Fix fall-through warnings for
 Clang

Em Fri, 20 Nov 2020 12:37:02 -0600
"Gustavo A. R. Silva" <gustavoars@...nel.org> escreveu:

> In preparation to enable -Wimplicit-fallthrough for Clang, fix a warning
> by explicitly adding a break statement instead of letting the code fall
> through to the next case.
> 
> Link: https://github.com/KSPP/linux/issues/115
> Signed-off-by: Gustavo A. R. Silva <gustavoars@...nel.org>

Reviewed-by: Mauro Carvalho Chehab <mchehab+huawei@...nel.org>

> ---
>  drivers/media/platform/rcar_jpu.c | 1 +
>  1 file changed, 1 insertion(+)
> 
> diff --git a/drivers/media/platform/rcar_jpu.c b/drivers/media/platform/rcar_jpu.c
> index 9b99ff368698..87466edf8a5e 100644
> --- a/drivers/media/platform/rcar_jpu.c
> +++ b/drivers/media/platform/rcar_jpu.c
> @@ -648,6 +648,7 @@ static u8 jpu_parse_hdr(void *buffer, unsigned long size, unsigned int *width,
>  			if (get_word_be(&jpeg_buffer, &word))
>  				return 0;
>  			skip(&jpeg_buffer, (long)word - 2);
> +			break;
>  		case 0:
>  			break;
>  		default:



Thanks,
Mauro