linux-hardening - Re: [PATCH v2][next] floppy: Fix fall-through warning for Clang

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite for Android: free password hash cracker in your pocket

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Date:   Sat, 29 May 2021 09:37:49 +0300
From:   Denis Efremov <efremov@...ux.com>
To:     "Gustavo A. R. Silva" <gustavoars@...nel.org>,
        Jens Axboe <axboe@...nel.dk>
Cc:     linux-block@...r.kernel.org, linux-kernel@...r.kernel.org,
        linux-hardening@...r.kernel.org
Subject: Re: [PATCH v2][next] floppy: Fix fall-through warning for Clang

Hi,

On 5/28/21 11:03 PM, Gustavo A. R. Silva wrote:
> In preparation to enable -Wimplicit-fallthrough for Clang, fix a warning
> by explicitly adding a break statement instead of letting the code fall
> through to the next case.
> 
> Link: https://github.com/KSPP/linux/issues/115
> Link: https://lore.kernel.org/linux-hardening/47bcd36a-6524-348b-e802-0691d1b3c429@kernel.dk/
> Suggested-by: Jens Axboe <axboe@...nel.dk>
> Signed-off-by: Gustavo A. R. Silva <gustavoars@...nel.org>

Applied, thanks!
https://github.com/evdenis/linux-floppy/commit/6eaddb2a2aa3acd0660537f9f6a12785be0ae830

I will send it to Jens with other floppy patches.
It will be in 5.14

Regards,
Denis

> ---
> Changes in v2:
>   - Add a break statement instead of fallthrough;
> 
>   drivers/block/floppy.c | 1 +
>   1 file changed, 1 insertion(+)
> 
> diff --git a/drivers/block/floppy.c b/drivers/block/floppy.c
> index 8a9d22207c59..803af2a72520 100644
> --- a/drivers/block/floppy.c
> +++ b/drivers/block/floppy.c
> @@ -2123,6 +2123,7 @@ static void format_interrupt(void)
>   	switch (interpret_errors()) {
>   	case 1:
>   		cont->error();
> +		break;
>   	case 2:
>   		break;
>   	case 0:
>