* [PATCH] Input: libps2 - mark expected switch fall-through
@ 2019-05-07 18:24 Gustavo A. R. Silva
2019-05-07 19:27 ` Dmitry Torokhov
0 siblings, 1 reply; 3+ messages in thread
From: Gustavo A. R. Silva @ 2019-05-07 18:24 UTC (permalink / raw)
To: Dmitry Torokhov; +Cc: linux-input, linux-kernel, Gustavo A. R. Silva, Kees Cook
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>
---
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
^ permalink raw reply related [flat|nested] 3+ messages in thread* Re: [PATCH] Input: libps2 - mark expected switch fall-through
2019-05-07 18:24 [PATCH] Input: libps2 - mark expected switch fall-through Gustavo A. R. Silva
@ 2019-05-07 19:27 ` Dmitry Torokhov
2019-05-07 21:37 ` Gustavo A. R. Silva
0 siblings, 1 reply; 3+ messages in thread
From: Dmitry Torokhov @ 2019-05-07 19:27 UTC (permalink / raw)
To: Gustavo A. R. Silva; +Cc: linux-input, linux-kernel, Kees Cook
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
^ permalink raw reply [flat|nested] 3+ messages in thread* Re: [PATCH] Input: libps2 - mark expected switch fall-through
2019-05-07 19:27 ` Dmitry Torokhov
@ 2019-05-07 21:37 ` Gustavo A. R. Silva
0 siblings, 0 replies; 3+ messages in thread
From: Gustavo A. R. Silva @ 2019-05-07 21:37 UTC (permalink / raw)
To: Dmitry Torokhov; +Cc: linux-input, linux-kernel, Kees Cook
On 5/7/19 2:27 PM, Dmitry Torokhov wrote:
> 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.
>
Awesome. :)
Thanks, Dmitry.
--
Gustavo
^ permalink raw reply [flat|nested] 3+ messages in thread
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2019-05-07 18:24 [PATCH] Input: libps2 - mark expected switch fall-through Gustavo A. R. Silva
2019-05-07 19:27 ` Dmitry Torokhov
2019-05-07 21:37 ` Gustavo A. R. Silva
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