linux-kernel - Re: [PATCH 127/141] staging: qlge: Fix fall-through warnings for Clang

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Message-ID: <20201125044257.GA142382@f3>
Date:   Wed, 25 Nov 2020 13:42:57 +0900
From:   Benjamin Poirier <benjamin.poirier@...il.com>
To:     "Gustavo A. R. Silva" <gustavoars@...nel.org>
Cc:     Manish Chopra <manishc@...vell.com>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        GR-Linux-NIC-Dev@...vell.com, netdev@...r.kernel.org,
        devel@...verdev.osuosl.org, linux-kernel@...r.kernel.org,
        linux-hardening@...r.kernel.org
Subject: Re: [PATCH 127/141] staging: qlge: Fix fall-through warnings for
 Clang

On 2020-11-20 12:39 -0600, Gustavo A. R. Silva wrote:
> 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>
> ---
>  drivers/staging/qlge/qlge_main.c | 1 +
>  1 file changed, 1 insertion(+)
> 
> diff --git a/drivers/staging/qlge/qlge_main.c b/drivers/staging/qlge/qlge_main.c
> index 27da386f9d87..c41b1373dcf8 100644
> --- a/drivers/staging/qlge/qlge_main.c
> +++ b/drivers/staging/qlge/qlge_main.c
> @@ -1385,6 +1385,7 @@ static void ql_categorize_rx_err(struct ql_adapter *qdev, u8 rx_err,
>  		break;
>  	case IB_MAC_IOCB_RSP_ERR_CRC:
>  		stats->rx_crc_err++;
> +		break;
>  	default:
>  		break;
>  	}

In this instance, it think it would be more appropriate to remove the
"default" case.