Hi Gustavo,
Thanks for your patch!
On Mon, Jul 29, 2019 at 4:33 PM Gustavo A. R. Silva
<gustavo@xxxxxxxxxxxxxx> wrote:
> Mark switch cases where we are expecting to fall through.
>
> This patch fixes the following warning:
>
> sound/oss/dmasound/dmasound_atari.c: warning: this statement may fall
> through [-Wimplicit-fallthrough=]: => 1449:24
>
> Notice that, in this particular case, the code comment is
> modified in accordance with what GCC is expecting to find.
Have you compile-tested this?
This doesn't work with gcc version 8.2.0 (Ubuntu 8.2.0-1ubuntu2~18.04).
Turns out the warning only goes away when converting the indentation
of the switch() statement to match kernel style... Silly gcc...
> Reported-by: Geert Uytterhoeven <geert@xxxxxxxxxxxxxx>
> Signed-off-by: Gustavo A. R. Silva <gustavo@xxxxxxxxxxxxxx>
> ---
> sound/oss/dmasound/dmasound_atari.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/sound/oss/dmasound/dmasound_atari.c b/sound/oss/dmasound/dmasound_atari.c
> index 83653683fd68..b5845e904ba1 100644
> --- a/sound/oss/dmasound/dmasound_atari.c
> +++ b/sound/oss/dmasound/dmasound_atari.c
> @@ -1449,7 +1449,7 @@ static int FalconMixerIoctl(u_int cmd, u_long arg)
> tt_dmasnd.input_gain =
> RECLEVEL_VOXWARE_TO_GAIN(data & 0xff) << 4 |
> RECLEVEL_VOXWARE_TO_GAIN(data >> 8 & 0xff);
> - /* fall thru, return set value */
> + /* fall through - return set value */
> case SOUND_MIXER_READ_MIC:
> return IOCTL_OUT(arg,
> RECLEVEL_GAIN_TO_VOXWARE(tt_dmasnd.input_gain >> 4 & 0xf) |
Gr{oetje,eeting}s,
Geert
--
Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@xxxxxxxxxxxxxx
In personal conversations with technical people, I call myself a hacker. But
when I'm talking to journalists I just say "programmer" or something like that.
-- Linus Torvalds
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