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SubjectRe: [PATCH] HID: wacom: Mark expected switch fall-through
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On 2/13/19 5:07 PM, Jiri Kosina wrote:
> On Mon, 11 Feb 2019, 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/hid/wacom_wac.c: In function ‘wacom_setup_pen_input_capabilities’:
>> drivers/hid/wacom_wac.c:3506:3: warning: this statement may fall through [-Wimplicit-fallthrough=]
>> __clear_bit(ABS_MISC, input_dev->absbit);
>> ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
>> drivers/hid/wacom_wac.c:3508:2: note: here
>> case WACOM_MO:
>> ^~~~
>>
>> 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>
>
> Let's CC Jason and Ping to make sure it's really intended :)
>

Sounds great.

Thanks, Jiri.
--
Gustavo

>> ---
>> drivers/hid/wacom_wac.c | 1 +
>> 1 file changed, 1 insertion(+)
>>
>> diff --git a/drivers/hid/wacom_wac.c b/drivers/hid/wacom_wac.c
>> index 72477e872324..5ecda99bf431 100644
>> --- a/drivers/hid/wacom_wac.c
>> +++ b/drivers/hid/wacom_wac.c
>> @@ -3504,6 +3504,7 @@ int wacom_setup_pen_input_capabilities(struct input_dev *input_dev,
>> switch (features->type) {
>> case GRAPHIRE_BT:
>> __clear_bit(ABS_MISC, input_dev->absbit);
>> + /* fall through */
>>
>> case WACOM_MO:
>> case WACOM_G4:
>> --
>> 2.20.1
>>
>

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