linux-kernel - Re: [PATCH] watchdog: pc87413: Mark expected switch fall-through

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Message-ID: <2273fce2-0e0d-8b27-faf6-930fe85664dd@embeddedor.com>
Date:   Tue, 26 Feb 2019 12:10:24 -0600
From:   "Gustavo A. R. Silva" <gustavo@...eddedor.com>
To:     Guenter Roeck <linux@...ck-us.net>
Cc:     Wim Van Sebroeck <wim@...ux-watchdog.org>,
        linux-watchdog@...r.kernel.org, linux-kernel@...r.kernel.org,
        Kees Cook <keescook@...omium.org>
Subject: Re: [PATCH] watchdog: pc87413: Mark expected switch fall-through



On 2/26/19 11:55 AM, Guenter Roeck wrote:
> On Tue, Feb 26, 2019 at 11:46:09AM -0600, Gustavo A. R. Silva wrote:
>> Hi all,
>>
>> Friendly ping:
>>
>> Who can take this?
>>
> Wim, presumably.
> 

Oh OK. Hopefully, he'll notice this thread soon.

Thanks
--
Gustavo


> Guenter
> 
>> Thanks
>> --
>> Gustavo
>>
>>
>> On 2/18/19 11:50 AM, Gustavo A. R. Silva wrote:
>>>
>>>
>>> On 2/18/19 10:09 AM, Guenter Roeck wrote:
>>>> On 2/14/19 12:26 PM, Gustavo A. R. Silva wrote:
>>>>> In preparation to enabling -Wimplicit-fallthrough, mark switch
>>>>> cases where we are expecting to fall through.
>>>>>
>>>>> This patch fixes the following warning:
>>>>>
>>>>> drivers/watchdog/pc87413_wdt.c: In function ‘pc87413_ioctl’:
>>>>> drivers/watchdog/pc87413_wdt.c:439:3: warning: this statement may fall through [-Wimplicit-fallthrough=]
>>>>>     pc87413_refresh();
>>>>>     ^~~~~~~~~~~~~~~~~
>>>>> drivers/watchdog/pc87413_wdt.c:441:2: note: here
>>>>>    case WDIOC_GETTIMEOUT:
>>>>>    ^~~~
>>>>>
>>>>> 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>
>>>>
>>>> Reviewed-by: Guenter Roeck <linux@...ck-us.net>
>>>>
>>>
>>> Thanks, Guenter.
>>>
>>> --
>>> Gustavo
>>>