linux-hardening - Re: [PATCH 076/141] decnet: Fix fall-through warnings for Clang

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Date:   Thu, 4 Mar 2021 16:54:08 -0600
From:   "Gustavo A. R. Silva" <gustavoars@...nel.org>
To:     "David S. Miller" <davem@...emloft.net>,
        Jakub Kicinski <kuba@...nel.org>
Cc:     linux-decnet-user@...ts.sourceforge.net, netdev@...r.kernel.org,
        linux-kernel@...r.kernel.org, linux-hardening@...r.kernel.org
Subject: Re: [PATCH 076/141] decnet: Fix fall-through warnings for Clang

Hi all,

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

Thanks
--
Gustavo

On Fri, Nov 20, 2020 at 12:35:01PM -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>
> ---
>  net/decnet/dn_route.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/net/decnet/dn_route.c b/net/decnet/dn_route.c
> index 4cac31d22a50..2f3e5c49a221 100644
> --- a/net/decnet/dn_route.c
> +++ b/net/decnet/dn_route.c
> @@ -1407,7 +1407,7 @@ static int dn_route_input_slow(struct sk_buff *skb)
>  			flags |= RTCF_DOREDIRECT;
>  
>  		local_src = DN_FIB_RES_PREFSRC(res);
> -
> +		break;
>  	case RTN_BLACKHOLE:
>  	case RTN_UNREACHABLE:
>  		break;
> -- 
> 2.27.0
>