linux-kernel - Re: [PATCH] sh: kernel: hw_breakpoint: Fix missing break in switch statement

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Date:   Sat, 10 Aug 2019 05:53:29 -0700
From:   Guenter Roeck <linux@...ck-us.net>
To:     "Gustavo A. R. Silva" <gustavo@...eddedor.com>
Cc:     Yoshinori Sato <ysato@...rs.sourceforge.jp>,
        Rich Felker <dalias@...c.org>, linux-sh@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH] sh: kernel: hw_breakpoint: Fix missing break in switch
 statement

On Fri, Aug 09, 2019 at 11:59:44PM -0500, Gustavo A. R. Silva wrote:
> Add missing break statement in order to prevent the code from
> erroneously falling through to case SH_BREAKPOINT_WRITE.
> 
> Fixes: 09a072947791 ("sh: hw-breakpoints: Add preliminary support for SH-4A UBC.")
> Cc: stable@...r.kernel.org
> Signed-off-by: Gustavo A. R. Silva <gustavo@...eddedor.com>

Reviewed-by: Guenter Roeck <linux@...ck-us.net>
Tested-by: Guenter Roeck <linux@...ck-us.net>

> ---
> 
> If no one cares, I'll apply this to my tree and queue it up for 5.3-rc4.
> 
>  arch/sh/kernel/hw_breakpoint.c | 1 +
>  1 file changed, 1 insertion(+)
> 
> diff --git a/arch/sh/kernel/hw_breakpoint.c b/arch/sh/kernel/hw_breakpoint.c
> index 3bd010b4c55f..f10d64311127 100644
> --- a/arch/sh/kernel/hw_breakpoint.c
> +++ b/arch/sh/kernel/hw_breakpoint.c
> @@ -157,6 +157,7 @@ int arch_bp_generic_fields(int sh_len, int sh_type,
>  	switch (sh_type) {
>  	case SH_BREAKPOINT_READ:
>  		*gen_type = HW_BREAKPOINT_R;
> +		break;
>  	case SH_BREAKPOINT_WRITE:
>  		*gen_type = HW_BREAKPOINT_W;
>  		break;
> -- 
> 2.22.0
>