[PATCH v2] staging: comedi: ni_660x: fix missing break in switch statement
Gustavo A. R. Silva
gustavo at embeddedor.com
Wed Feb 13 18:17:42 UTC 2019
On 2/13/19 4:41 AM, Ian Abbott wrote:
> On 12/02/2019 18:44, Gustavo A. R. Silva wrote:
>> Add missing break statement in order to prevent the code from falling
>> through to the default case and return -EINVAL every time.
>>
>> This bug was found thanks to the ongoing efforts to enable
>> -Wimplicit-fallthrough.
>>
>> Fixes: aa94f2888825 ("staging: comedi: ni_660x: tidy up ni_660x_set_pfi_routing()")
>> Cc: stable at vger.kernel.org
>> Signed-off-by: Gustavo A. R. Silva <gustavo at embeddedor.com>
>> ---
>> Changes in v2:
>> - Fix Fixes tag.
>>
>> drivers/staging/comedi/drivers/ni_660x.c | 1 +
>> 1 file changed, 1 insertion(+)
>>
>> diff --git a/drivers/staging/comedi/drivers/ni_660x.c b/drivers/staging/comedi/drivers/ni_660x.c
>> index e70a461e723f..405573e927cf 100644
>> --- a/drivers/staging/comedi/drivers/ni_660x.c
>> +++ b/drivers/staging/comedi/drivers/ni_660x.c
>> @@ -656,6 +656,7 @@ static int ni_660x_set_pfi_routing(struct comedi_device *dev,
>> case NI_660X_PFI_OUTPUT_DIO:
>> if (chan > 31)
>> return -EINVAL;
>> + break;
>> default:
>> return -EINVAL;
>> }
>>
>
> Thanks for the bug fix!
>
Glad to help. :)
> Reviewed-by: Ian Abbott <abbotti at mev.co.uk>
>
Thanks, Ian.
--
Gustavo
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