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Date:   Sun, 22 Nov 2020 17:31:52 +0100
From:   Mauro Carvalho Chehab <mchehab+huawei@...nel.org>
To:     "Gustavo A. R. Silva" <gustavoars@...nel.org>
Cc:     Antti Palosaari <crope@....fi>,
        Malcolm Priestley <tvboxspy@...il.com>,
        linux-media@...r.kernel.org, linux-kernel@...r.kernel.org,
        linux-hardening@...r.kernel.org
Subject: Re: [PATCH 014/141] media: usb: dvb-usb-v2: Fix fall-through
 warnings for Clang

Em Fri, 20 Nov 2020 12:26:16 -0600
"Gustavo A. R. Silva" <gustavoars@...nel.org> escreveu:

> In preparation to enable -Wimplicit-fallthrough for Clang, fix multiple
> warnings by explicitly adding a couple of break statements instead of
> just 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/usb/dvb-usb-v2/af9015.c  | 1 +
>  drivers/media/usb/dvb-usb-v2/lmedm04.c | 1 +
>  2 files changed, 2 insertions(+)
> 
> diff --git a/drivers/media/usb/dvb-usb-v2/af9015.c b/drivers/media/usb/dvb-usb-v2/af9015.c
> index c70b3cef3176..d33514acc2b5 100644
> --- a/drivers/media/usb/dvb-usb-v2/af9015.c
> +++ b/drivers/media/usb/dvb-usb-v2/af9015.c
> @@ -51,6 +51,7 @@ static int af9015_ctrl_msg(struct dvb_usb_device *d, struct req_t *req)
>  		if (((req->addr & 0xff00) == 0xff00) ||
>  		    ((req->addr & 0xff00) == 0xae00))
>  			state->buf[0] = WRITE_VIRTUAL_MEMORY;
> +		break;
>  	case WRITE_VIRTUAL_MEMORY:
>  	case COPY_FIRMWARE:
>  	case DOWNLOAD_FIRMWARE:
> diff --git a/drivers/media/usb/dvb-usb-v2/lmedm04.c b/drivers/media/usb/dvb-usb-v2/lmedm04.c
> index 5a7a9522d46d..67c37fb267e3 100644
> --- a/drivers/media/usb/dvb-usb-v2/lmedm04.c
> +++ b/drivers/media/usb/dvb-usb-v2/lmedm04.c
> @@ -336,6 +336,7 @@ static void lme2510_int_response(struct urb *lme_urb)
>  				st->signal_level = ibuf[5];
>  				st->signal_sn = ibuf[4];
>  				st->time_key = ibuf[7];
> +				break;
>  			default:
>  				break;
>  			}



Thanks,
Mauro

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