Re: [PATCH 1/6] audio/audio: Add missing fall through comment

["Philippe Mathieu-Daudé" <philmd@redhat.com>]

On 12/18/19 9:02 AM, Aleksandar Markovic wrote:
> 
> 
> On Tuesday, December 17, 2019, Philippe Mathieu-Daudé <philmd@redhat.com 
> <mailto:philmd@redhat.com>> wrote:
> 
>     GCC9 is confused by this comment when building with
>     CFLAG -Wimplicit-fallthrough=2:
> 
> 
> Gcc is not confused whatsoever.

It is right! I'll update the description :)

> 
>        audio/audio.c: In function ‘audio_pcm_init_info’:
>        audio/audio.c:306:14: error: this statement may fall through
>     [-Werror=implicit-fallthrough=]
>          306 |         sign = 1;
>              |         ~~~~~^~~
>        audio/audio.c:307:5: note: here
>          307 |     case AUDIO_FORMAT_U8:
>              |     ^~~~
>        cc1: all warnings being treated as errors
> 
>     Add the missing fall through comment, similarly to e46349414.
> 
>     Fixes: 2b9cce8c8c
>     Signed-off-by: Philippe Mathieu-Daudé <philmd@redhat.com
>     <mailto:philmd@redhat.com>>
>     ---
>     Cc: Gerd Hoffmann <kraxel@redhat.com <mailto:kraxel@redhat.com>>
>     Cc: "Kővágó, Zoltán" <dirty.ice.hu@gmail.com
>     <mailto:dirty.ice.hu@gmail.com>>
>     ---
>       audio/audio.c | 1 +
>       1 file changed, 1 insertion(+)
> 
>     diff --git a/audio/audio.c b/audio/audio.c
>     index 56fae55047..57daf3f620 100644
>     --- a/audio/audio.c
>     +++ b/audio/audio.c
>     @@ -304,6 +304,7 @@ void audio_pcm_init_info (struct audio_pcm_info
>     *info, struct audsettings *as)
>           switch (as->fmt) {
>           case AUDIO_FORMAT_S8:
>               sign = 1;
>     +        /* fall through */
>           case AUDIO_FORMAT_U8:
>               mul = 1;
>               break;
>     -- 
>     2.21.0
> 
>