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SubjectRe: [PATCH] mtd: lpddr_cmds: Mark expected switch fall-through
On Fri, Feb 8, 2019 at 10:12 AM Gustavo A. R. Silva
<gustavo@embeddedor.com> wrote:
>
> In preparation to enabling -Wimplicit-fallthrough, mark switch
> cases where we are expecting to fall through.
>
> This patch fixes the following warnings:
>
> drivers/mtd/lpddr/lpddr_cmds.c: In function ‘chip_ready’:
> drivers/mtd/lpddr/lpddr_cmds.c:319:6: warning: this statement may fall through [-Wimplicit-fallthrough=]
> if (mode == FL_READY && chip->oldstate == FL_READY)
> ^
> drivers/mtd/lpddr/lpddr_cmds.c:322:2: note: here
> default:
> ^~~~~~~
>
> Warning level 3 was used: -Wimplicit-fallthrough=3
>
> This patch is part of the ongoing efforts to enabling
> -Wimplicit-fallthrough.
>
> Signed-off-by: Gustavo A. R. Silva <gustavo@embeddedor.com>

Reviewed-by: Kees Cook <keescook@chromium.org>

-Kees

> ---
> drivers/mtd/lpddr/lpddr_cmds.c | 1 +
> 1 file changed, 1 insertion(+)
>
> diff --git a/drivers/mtd/lpddr/lpddr_cmds.c b/drivers/mtd/lpddr/lpddr_cmds.c
> index b13557fe52bd..76a4c73e100e 100644
> --- a/drivers/mtd/lpddr/lpddr_cmds.c
> +++ b/drivers/mtd/lpddr/lpddr_cmds.c
> @@ -318,6 +318,7 @@ static int chip_ready(struct map_info *map, struct flchip *chip, int mode)
> /* Only if there's no operation suspended... */
> if (mode == FL_READY && chip->oldstate == FL_READY)
> return 0;
> + /* fall through */
>
> default:
> sleep:
> --
> 2.20.1
>


--
Kees Cook

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