Hi Vinod,
On 07/06/2018 12:56 AM, Vinod wrote:
> On 02-07-18, 13:06, Gustavo A. R. Silva wrote:
>> In preparation to enabling -Wimplicit-fallthrough, mark switch cases
>> where we are expecting to fall through.
>>
>> Signed-off-by: Gustavo A. R. Silva <gustavo@xxxxxxxxxxxxxx>
>> ---
>> drivers/dma/nbpfaxi.c | 1 +
>> 1 file changed, 1 insertion(+)
>>
>> diff --git a/drivers/dma/nbpfaxi.c b/drivers/dma/nbpfaxi.c
>> index 2f9974d..8c7b2e8 100644
>> --- a/drivers/dma/nbpfaxi.c
>> +++ b/drivers/dma/nbpfaxi.c
>> @@ -479,6 +479,7 @@ static size_t nbpf_xfer_size(struct nbpf_device *nbpf,
>>
>> default:
>> pr_warn("%s(): invalid bus width %u\n", __func__, width);
>> + /* fall through */
>
> Hmm this looks okay but am not able to trigger this warning..(used W=1) Did you
> see this warning on your build, if so what options?
>
Add this to your Makefile:
KBUILD_CFLAGS += $(call cc-option,-Wimplicit-fallthrough=2)
Thanks
--
Gustavo
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