linux-hardening - Re: [PATCH RESEND][next] netxen_nic: Fix fall-through warnings for Clang

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Date:   Tue, 20 Apr 2021 15:23:57 -0500
From:   "Gustavo A. R. Silva" <gustavo@...eddedor.com>
To:     "Gustavo A. R. Silva" <gustavoars@...nel.org>,
        Manish Chopra <manishc@...vell.com>,
        Rahul Verma <rahulv@...vell.com>,
        "David S. Miller" <davem@...emloft.net>,
        Jakub Kicinski <kuba@...nel.org>
Cc:     GR-Linux-NIC-Dev@...vell.com, netdev@...r.kernel.org,
        linux-kernel@...r.kernel.org, linux-hardening@...r.kernel.org
Subject: Re: [PATCH RESEND][next] netxen_nic: Fix fall-through warnings for
 Clang

Hi all,

Friendly ping: who can take this, please?

Thanks
--
Gustavo

On 3/5/21 03:45, Gustavo A. R. Silva wrote:
> In preparation to enable -Wimplicit-fallthrough for Clang, fix a warning
> by explicitly adding a goto statement 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>
> ---
>  drivers/net/ethernet/qlogic/netxen/netxen_nic_init.c | 1 +
>  1 file changed, 1 insertion(+)
> 
> diff --git a/drivers/net/ethernet/qlogic/netxen/netxen_nic_init.c b/drivers/net/ethernet/qlogic/netxen/netxen_nic_init.c
> index 08f9477d2ee8..35ec9aab3dc7 100644
> --- a/drivers/net/ethernet/qlogic/netxen/netxen_nic_init.c
> +++ b/drivers/net/ethernet/qlogic/netxen/netxen_nic_init.c
> @@ -1685,6 +1685,7 @@ netxen_process_rcv_ring(struct nx_host_sds_ring *sds_ring, int max)
>  			break;
>  		case NETXEN_NIC_RESPONSE_DESC:
>  			netxen_handle_fw_message(desc_cnt, consumer, sds_ring);
> +			goto skip;
>  		default:
>  			goto skip;
>  		}
>