From: Dmitry Torokhov <dmitry.torokhov@gmail.com>
To: "Gustavo A. R. Silva" <gustavo@embeddedor.com>
Cc: linux-input@vger.kernel.org, linux-kernel@vger.kernel.org,
Kees Cook <keescook@chromium.org>
Subject: Re: [PATCH] Input: libps2 - mark expected switch fall-through
Date: Tue, 7 May 2019 12:27:44 -0700 [thread overview]
Message-ID: <20190507192744.GA248929@dtor-ws> (raw)
In-Reply-To: <20190507182409.GA11027@embeddedor>
On Tue, May 07, 2019 at 01:24:09PM -0500, Gustavo A. R. Silva wrote:
> In preparation to enabling -Wimplicit-fallthrough, mark switch
> cases where we are expecting to fall through.
>
> This patch fixes the following warning:
>
> drivers/input/serio/libps2.c: In function ‘ps2_handle_ack’:
> drivers/input/serio/libps2.c:407:6: warning: this statement may fall through [-Wimplicit-fallthrough=]
> if (ps2dev->flags & PS2_FLAG_NAK) {
> ^
> drivers/input/serio/libps2.c:417:2: note: here
> case 0x00:
> ^~~~
>
> Warning level 3 was used: -Wimplicit-fallthrough=3
>
> This patch is part of the ongoing efforts to enable
> -Wimplicit-fallthrough.
>
> Signed-off-by: Gustavo A. R. Silva <gustavo@embeddedor.com>
Applied, thank you.
> ---
> drivers/input/serio/libps2.c | 1 +
> 1 file changed, 1 insertion(+)
>
> diff --git a/drivers/input/serio/libps2.c b/drivers/input/serio/libps2.c
> index e6a07e68d1ff..22b8e05aa36c 100644
> --- a/drivers/input/serio/libps2.c
> +++ b/drivers/input/serio/libps2.c
> @@ -409,6 +409,7 @@ bool ps2_handle_ack(struct ps2dev *ps2dev, u8 data)
> ps2dev->nak = PS2_RET_ERR;
> break;
> }
> + /* Fall through */
>
> /*
> * Workaround for mice which don't ACK the Get ID command.
> --
> 2.21.0
>
--
Dmitry
next prev parent reply other threads:[~2019-05-07 19:27 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-05-07 18:24 [PATCH] Input: libps2 - mark expected switch fall-through Gustavo A. R. Silva
2019-05-07 19:27 ` Dmitry Torokhov [this message]
2019-05-07 21:37 ` Gustavo A. R. Silva
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