linux-kernel - Re: [PATCH] ser_gigaset: mark expected switch fall-through

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Message-ID: <7dd87e69-a9c8-bd10-1af1-062f37f0df50@embeddedor.com>
Date:   Tue, 12 Feb 2019 08:58:11 -0600
From:   "Gustavo A. R. Silva" <gustavo@...eddedor.com>
To:     Paul Bolle <pebolle@...cali.nl>
Cc:     gigaset307x-common@...ts.sourceforge.net, netdev@...r.kernel.org,
        linux-kernel@...r.kernel.org, Kees Cook <keescook@...omium.org>,
        Karsten Keil <isdn@...ux-pingi.de>
Subject: Re: [PATCH] ser_gigaset: mark expected switch fall-through



On 2/12/19 2:45 AM, Paul Bolle wrote:
> Gustavo A. R. Silva schreef op ma 11-02-2019 om 16:34 [-0600]:
>> In preparation to enabling -Wimplicit-fallthrough, mark switch
>> cases where we are expecting to fall through.
>>
>> This patch fixes the following warning:
>>
>> drivers/isdn/gigaset/ser-gigaset.c: In function ‘gigaset_tty_ioctl’:
>> drivers/isdn/gigaset/ser-gigaset.c:627:3: warning: this statement may fall through [-Wimplicit-fallthrough=]
>>    switch (arg) {
>>    ^~~~~~
>> drivers/isdn/gigaset/ser-gigaset.c:638:2: note: here
>>   default:
>>   ^~~~~~~
>>
>> 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>
> 
> Acked-by: Paul Bolle <pebolle@...cali.nl>
> 

Thanks, Paul.

--
Gustavo