netdev - Re: [net-next 12/12] i40e: mark expected switch fall-through

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Date:   Fri, 14 Jun 2019 12:36:37 +0300
From:   Sergei Shtylyov <sergei.shtylyov@...entembedded.com>
To:     Jeff Kirsher <jeffrey.t.kirsher@...el.com>, davem@...emloft.net
Cc:     "Gustavo A. R. Silva" <gustavo@...eddedor.com>,
        netdev@...r.kernel.org, nhorman@...hat.com, sassmann@...hat.com,
        Andrew Bowers <andrewx.bowers@...el.com>
Subject: Re: [net-next 12/12] i40e: mark expected switch fall-through

On 13.06.2019 21:53, Jeff Kirsher wrote:
> From: "Gustavo A. R. Silva" <gustavo@...eddedor.com>
> 
> In preparation to enabling -Wimplicit-fallthrough, mark switch cases
> where we are expecting to fall through.
> 
> This patch fixes the following warning:
> 
> drivers/net/ethernet/intel/i40e/i40e_xsk.c: In function ‘i40e_run_xdp_zc’:
> drivers/net/ethernet/intel/i40e/i40e_xsk.c:217:3: warning: this statement may fall through [-Wimplicit-fallthrough=]
>     bpf_warn_invalid_xdp_action(act);
>     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
> drivers/net/ethernet/intel/i40e/i40e_xsk.c:218:2: note: here
>    case XDP_ABORTED:
>    ^~~~
> 
> In preparation to enabling -Wimplicit-fallthrough, mark switch cases
> where we are expecting to fall through.
> 
> This patch fixes the following warning:

    Gustavo repeats yourself. :-)

> Signed-off-by: "Gustavo A. R. Silva" <gustavo@...eddedor.com>
> Tested-by: Andrew Bowers <andrewx.bowers@...el.com>
> Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@...el.com>
[...]

MBR, Sergei