linux-kernel - Re: [PATCH 05/20] staging: lustre: lnet: net_fault: mark expected switch fall-through

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Message-ID: <0EFF5864-9A26-49AA-B527-47BA1EC3C079@intel.com>
Date:   Tue, 17 Oct 2017 22:57:37 +0000
From:   "Dilger, Andreas" <andreas.dilger@...el.com>
To:     "Gustavo A. R. Silva" <garsilva@...eddedor.com>
CC:     "Drokin, Oleg" <oleg.drokin@...el.com>,
        James Simmons <jsimmons@...radead.org>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Lustre Development List <lustre-devel@...ts.lustre.org>,
        "Shehata, Amir" <amir.shehata@...el.com>,
        "devel@...verdev.osuosl.org" <devel@...verdev.osuosl.org>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH 05/20] staging: lustre: lnet: net_fault: mark expected
 switch fall-through

On Oct 12, 2017, at 10:16, Gustavo A. R. Silva <garsilva@...eddedor.com> wrote:
> 
> In preparation to enabling -Wimplicit-fallthrough, mark switch cases
> where we are expecting to fall through.
> 
> Signed-off-by: Gustavo A. R. Silva <garsilva@...eddedor.com>

This could also just be "continue;", but doesn't appear harmful.

Reviewed-by: Andreas Dilger <andreas.dilger@...el.com>

> ---
> drivers/staging/lustre/lnet/lnet/net_fault.c | 1 +
> 1 file changed, 1 insertion(+)
> 
> diff --git a/drivers/staging/lustre/lnet/lnet/net_fault.c b/drivers/staging/lustre/lnet/lnet/net_fault.c
> index 03f3d18..7391e16 100644
> --- a/drivers/staging/lustre/lnet/lnet/net_fault.c
> +++ b/drivers/staging/lustre/lnet/lnet/net_fault.c
> @@ -629,6 +629,7 @@ delayed_msg_process(struct list_head *msg_list, bool drop)
> 			case LNET_CREDIT_OK:
> 				lnet_ni_recv(ni, msg->msg_private, msg, 0,
> 					     0, msg->msg_len, msg->msg_len);
> +				/* fall through */
> 			case LNET_CREDIT_WAIT:
> 				continue;
> 			default: /* failures */
> -- 
> 2.7.4
> 

Cheers, Andreas
--
Andreas Dilger
Lustre Principal Architect
Intel Corporation