RE: [PATCH] ACPICA: Use fallthrough pseudo-keyword

From: Kaneda, Erik
Date: Tue May 11 2021 - 14:20:23 EST




> -----Original Message-----
> From: Wei Ming Chen <jj251510319013@xxxxxxxxx>
> Sent: Thursday, May 6, 2021 5:49 AM
> To: linux-kernel@xxxxxxxxxxxxxxx
> Cc: linux-acpi@xxxxxxxxxxxxxxx; devel@xxxxxxxxxx; Wei Ming Chen
> <jj251510319013@xxxxxxxxx>
> Subject: [PATCH] ACPICA: Use fallthrough pseudo-keyword
>
> Replace /* FALLTHROUGH */ comment with pseudo-keyword macro
> fallthrough[1]
>
> [1]
> https://www.kernel.org/doc/html/latest/process/deprecated.html?highligh
> t=fallthrough#implicit-switch-case-fall-through
>
> Signed-off-by: Wei Ming Chen <jj251510319013@xxxxxxxxx>
> ---
> drivers/acpi/acpica/utprint.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/drivers/acpi/acpica/utprint.c b/drivers/acpi/acpica/utprint.c
> index e37d612e8db5..0b511434b80b 100644
> --- a/drivers/acpi/acpica/utprint.c
> +++ b/drivers/acpi/acpica/utprint.c
> @@ -475,7 +475,7 @@ int vsnprintf(char *string, acpi_size size, const char
> *format, va_list args)
> case 'X':
>
Hi,

> type |= ACPI_FORMAT_UPPER;
> - /* FALLTHROUGH */
> + fallthrough;

Since fallthrough is specific to gcc, we use the macro ACPI_FALLTHROUGH for code in drivers/acpi/acpica. Please resubmit using this keyword and I can take the commit for upstream ACPICA.

Thanks,
Erik
>
> case 'x':
>
> --
> 2.25.1