Re: [PATCH] parport: ieee1284: mark expected switch fall-through

From: Gustavo A. R. Silva
Date: Wed Mar 20 2019 - 16:06:10 EST


Greg,

Can you take this, please?

Thanks
--
Gustavo

On 2/25/19 12:23 PM, Gustavo A. R. Silva wrote:
> Hi,
>
> Friendly ping:
>
> Who can take this, please?
>
> Thanks
> --
> Gustavo
>
> On 2/12/19 11:43 AM, 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/parport/ieee1284.c: In function âparport_readâ:
>> drivers/parport/ieee1284.c:722:6: warning: this statement may fall through [-Wimplicit-fallthrough=]
>> if (parport_negotiate (port, IEEE1284_MODE_NIBBLE)) {
>> ^
>> drivers/parport/ieee1284.c:726:2: note: here
>> case IEEE1284_MODE_NIBBLE:
>> ^~~~
>>
>> Warning level 3 was used: -Wimplicit-fallthrough=3
>>
>> Notice that, in this particular case, the code comment is modified
>> in accordance with what GCC is expecting to find.
>>
>> This patch is part of the ongoing efforts to enable
>> -Wimplicit-fallthrough.
>>
>> Signed-off-by: Gustavo A. R. Silva <gustavo@xxxxxxxxxxxxxx>
>> ---
>> drivers/parport/ieee1284.c | 2 +-
>> 1 file changed, 1 insertion(+), 1 deletion(-)
>>
>> diff --git a/drivers/parport/ieee1284.c b/drivers/parport/ieee1284.c
>> index f12b9da69255..90fb73575495 100644
>> --- a/drivers/parport/ieee1284.c
>> +++ b/drivers/parport/ieee1284.c
>> @@ -722,7 +722,7 @@ ssize_t parport_read (struct parport *port, void *buffer, size_t len)
>> if (parport_negotiate (port, IEEE1284_MODE_NIBBLE)) {
>> return -EIO;
>> }
>> - /* fall through to NIBBLE */
>> + /* fall through - to NIBBLE */
>> case IEEE1284_MODE_NIBBLE:
>> DPRINTK (KERN_DEBUG "%s: Using nibble mode\n", port->name);
>> fn = port->ops->nibble_read_data;
>>