netdev - Re: [PATCH 106/141] net: bridge: Fix fall-through warnings for Clang

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Date:   Tue, 2 Feb 2021 16:16:07 +0200
From:   Nikolay Aleksandrov <nikolay@...dia.com>
To:     "Gustavo A. R. Silva" <gustavoars@...nel.org>,
        Roopa Prabhu <roopa@...dia.com>,
        "David S. Miller" <davem@...emloft.net>,
        Jakub Kicinski <kuba@...nel.org>
CC:     <bridge@...ts.linux-foundation.org>, <netdev@...r.kernel.org>,
        <linux-kernel@...r.kernel.org>, <linux-hardening@...r.kernel.org>
Subject: Re: [PATCH 106/141] net: bridge: Fix fall-through warnings for Clang

On 20/11/2020 20:37, 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>
> ---
>  net/bridge/br_input.c | 1 +
>  1 file changed, 1 insertion(+)
> 
> diff --git a/net/bridge/br_input.c b/net/bridge/br_input.c
> index 59a318b9f646..8db219d979c5 100644
> --- a/net/bridge/br_input.c
> +++ b/net/bridge/br_input.c
> @@ -148,6 +148,7 @@ int br_handle_frame_finish(struct net *net, struct sock *sk, struct sk_buff *skb
>  		break;
>  	case BR_PKT_UNICAST:
>  		dst = br_fdb_find_rcu(br, eth_hdr(skb)->h_dest, vid);
> +		break;
>  	default:
>  		break;
>  	}
> 

Somehow this hasn't hit my inbox, good thing I just got the reply and saw the
patch. Anyway, thanks!

Acked-by: Nikolay Aleksandrov <nikolay@...dia.com>