netdev - Re: [PATCH] isdn: i4l: isdn_tty: Mark expected switch fall-through

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Message-ID: <7643bbd2-dc72-4fa2-c399-bd01b68c4bfb@embeddedor.com>
Date:   Tue, 12 Feb 2019 15:32:21 -0600
From:   "Gustavo A. R. Silva" <gustavo@...eddedor.com>
To:     David Miller <davem@...emloft.net>
Cc:     isdn@...ux-pingi.de, netdev@...r.kernel.org,
        linux-kernel@...r.kernel.org, keescook@...omium.org
Subject: Re: [PATCH] isdn: i4l: isdn_tty: Mark expected switch fall-through


Thanks, Dave.

--
Gustavo

On 2/12/19 12:29 PM, David Miller wrote:
> From: "Gustavo A. R. Silva" <gustavo@...eddedor.com>
> Date: Mon, 11 Feb 2019 16:38:21 -0600
> 
>> In preparation to enabling -Wimplicit-fallthrough, mark switch
>> cases where we are expecting to fall through.
>>
>> This patch fixes the following warnings:
>>
>> drivers/isdn/i4l/isdn_tty.c: In function ‘isdn_tty_edit_at’:
>> drivers/isdn/i4l/isdn_tty.c:3644:18: warning: this statement may fall through [-Wimplicit-fallthrough=]
>>        m->mdmcmdl = 0;
>>        ~~~~~~~~~~~^~~
>> drivers/isdn/i4l/isdn_tty.c:3646:5: note: here
>>      case 0:
>>      ^~~~
>>
>> Warning level 3 was used: -Wimplicit-fallthrough=3
>>
>> Notice that, in this particular case, the code comment is modified
>> in accordance with what GCC is expecting to find.
>>
>> This patch is part of the ongoing efforts to enable
>> -Wimplicit-fallthrough.
>>
>> Signed-off-by: Gustavo A. R. Silva <gustavo@...eddedor.com>
> 
> Applied.
>