linux-kernel - Re: [PATCH] sh: kgdb: fix an implicit fallthrough warning

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Date:   Thu, 3 Oct 2019 11:28:09 +0100
From:   Daniel Thompson <daniel.thompson@...aro.org>
To:     Bartosz Golaszewski <brgl@...ev.pl>
Cc:     Yoshinori Sato <ysato@...rs.sourceforge.jp>,
        Rich Felker <dalias@...c.org>, linux-sh@...r.kernel.org,
        linux-kernel@...r.kernel.org,
        Bartosz Golaszewski <bgolaszewski@...libre.com>
Subject: Re: [PATCH] sh: kgdb: fix an implicit fallthrough warning

On Wed, Oct 02, 2019 at 05:47:56PM +0200, Bartosz Golaszewski wrote:
> From: Bartosz Golaszewski <bgolaszewski@...libre.com>
> 
> The switch case in arch/sh/kernel/kgdb.c can fallthrough. Add an
> appropriate comment.
> 
> Signed-off-by: Bartosz Golaszewski <bgolaszewski@...libre.com>

Reviewed-by: Daniel Thompson <daniel.thompson@...aro.org>

> ---
>  arch/sh/kernel/kgdb.c | 1 +
>  1 file changed, 1 insertion(+)
> 
> diff --git a/arch/sh/kernel/kgdb.c b/arch/sh/kernel/kgdb.c
> index 6d61f8cf4c13..0d5f3c9d52f3 100644
> --- a/arch/sh/kernel/kgdb.c
> +++ b/arch/sh/kernel/kgdb.c
> @@ -266,6 +266,7 @@ int kgdb_arch_handle_exception(int e_vector, int signo, int err_code,
>  		ptr = &remcomInBuffer[1];
>  		if (kgdb_hex2long(&ptr, &addr))
>  			linux_regs->pc = addr;
> +		/* fallthrough */
>  	case 'D':
>  	case 'k':
>  		atomic_set(&kgdb_cpu_doing_single_step, -1);
> -- 
> 2.23.0
>