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

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Date:   Thu, 4 Mar 2021 16:56:11 -0600
From:   "Gustavo A. R. Silva" <gustavoars@...nel.org>
To:     Joerg Reuter <jreuter@...na.de>,
        Ralf Baechle <ralf@...ux-mips.org>,
        "David S. Miller" <davem@...emloft.net>,
        Jakub Kicinski <kuba@...nel.org>
Cc:     Roopa Prabhu <roopa@...dia.com>,
        "David S. Miller" <davem@...emloft.net>,
        Jakub Kicinski <kuba@...nel.org>,
        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

Hi all,

It's been more than 3 months; who can take this, please? :)

Thanks
--
Gustavo

On Tue, Feb 02, 2021 at 04:16:07PM +0200, Nikolay Aleksandrov wrote:
> 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>
>