linux-kernel - Re: [PATCH net-next] bna: Mark expected switch fall-throughs

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Message-ID: <d28e5ffa-cac4-57d9-d7c5-503f0532e122@embeddedor.com>
Date:   Wed, 23 Jan 2019 02:06:19 -0600
From:   "Gustavo A. R. Silva" <gustavo@...eddedor.com>
To:     Sudarsana Reddy Kalluru <skalluru@...vell.com>,
        Rasesh Mody <rasesh.mody@...ium.com>,
        Sudarsana Kalluru <sudarsana.kalluru@...ium.com>,
        "Dept-GELinuxNICDev@...ium.com" <Dept-GELinuxNICDev@...ium.com>,
        "David S. Miller" <davem@...emloft.net>
Cc:     "netdev@...r.kernel.org" <netdev@...r.kernel.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH net-next] bna: Mark expected switch fall-throughs



On 1/23/19 2:03 AM, Sudarsana Reddy Kalluru wrote:
> -----Original Message-----
> From: Gustavo A. R. Silva [mailto:gustavo@...eddedor.com] 
> Sent: 23 January 2019 13:23
> To: Rasesh Mody <rasesh.mody@...ium.com>; Sudarsana Kalluru <sudarsana.kalluru@...ium.com>; Dept-GELinuxNICDev@...ium.com; David S. Miller <davem@...emloft.net>
> Cc: netdev@...r.kernel.org; linux-kernel@...r.kernel.org; Gustavo A. R. Silva <gustavo@...eddedor.com>
> Subject: [PATCH net-next] bna: Mark expected switch fall-throughs
> 
> External Email
> 
> In preparation to enabling -Wimplicit-fallthrough, mark switch cases where we are expecting to fall through.
> 
> This patch fixes the following warnings:
> 
> drivers/net/ethernet/brocade/bna/bfa_ioc.c:790:3: warning: this statement may fall through [-Wimplicit-fallthrough=]
> drivers/net/ethernet/brocade/bna/bfa_ioc.c:860:3: warning: this statement may fall through [-Wimplicit-fallthrough=]
> 
> Warning level 3 was used: -Wimplicit-fallthrough=3
> 
> This patch is part of the ongoing efforts to enabling -Wimplicit-fallthrough
> 
> Signed-off-by: Gustavo A. R. Silva <gustavo@...eddedor.com>
> ---
>  drivers/net/ethernet/brocade/bna/bfa_ioc.c | 9 +++------
>  1 file changed, 3 insertions(+), 6 deletions(-)
> 
> diff --git a/drivers/net/ethernet/brocade/bna/bfa_ioc.c b/drivers/net/ethernet/brocade/bna/bfa_ioc.c
> index a36e38676640..cbc9175d74c5 100644
> --- a/drivers/net/ethernet/brocade/bna/bfa_ioc.c
> +++ b/drivers/net/ethernet/brocade/bna/bfa_ioc.c
> @@ -788,9 +788,8 @@ bfa_iocpf_sm_enabling(struct bfa_iocpf *iocpf, enum iocpf_event event)
> 
>         case IOCPF_E_INITFAIL:
>                 del_timer(&ioc->iocpf_timer);
> -               /*
> -                * !!! fall through !!!
> -                */
> +               /* fall through */
> +
>         case IOCPF_E_TIMEOUT:
>                 bfa_nw_ioc_hw_sem_release(ioc);
>                 if (event == IOCPF_E_TIMEOUT) @@ -858,9 +857,7 @@ bfa_iocpf_sm_disabling(struct bfa_iocpf *iocpf, enum iocpf_event event)
> 
>         case IOCPF_E_FAIL:
>                 del_timer(&ioc->iocpf_timer);
> -               /*
> -                * !!! fall through !!!
> -                */
> +               /* fall through*/
> 
>         case IOCPF_E_TIMEOUT:
>                 bfa_ioc_set_cur_ioc_fwstate(ioc, BFI_IOC_FAIL);
> --
> 2.20.1
> 
> Acked-by: Sudarsana Kalluru <Sudarsana.Kalluru@...ium.com>
> 

Thanks, Sudarsana.

--
Gustavo