Re: [PATCH] atm: idt77252: clean up trigraph warning on ??) string

[Colin Ian King]

On 20/07/2021 18:17, Nathan Chancellor wrote:
> On 7/20/2021 5:48 AM, Colin King wrote:
>> From: Colin Ian King <colin.king@xxxxxxxxxxxxx>
>>
>> The character sequence ??) is a trigraph and causes the following
>> clang warning:
>>
>> drivers/atm/idt77252.c:3544:35: warning: trigraph ignored [-Wtrigraphs]
>>
>> Clean this by replacing it with single ?.
>>
>> Signed-off-by: Colin Ian King <colin.king@xxxxxxxxxxxxx>
> 
> This looks good to me but I am curious how you say this warning in the
> first place since the main Makefile disables this unconditionally. Did
> you just pass -Wtrigraphs via KCFLAGS or something similar?

I used W=1

> 
> Reviewed-by: Nathan Chancellor <nathan@xxxxxxxxxx>
> 
>> ---
>>   drivers/atm/idt77252.c | 2 +-
>>   1 file changed, 1 insertion(+), 1 deletion(-)
>>
>> diff --git a/drivers/atm/idt77252.c b/drivers/atm/idt77252.c
>> index 9e4bd751db79..81ce81a75fc6 100644
>> --- a/drivers/atm/idt77252.c
>> +++ b/drivers/atm/idt77252.c
>> @@ -3536,7 +3536,7 @@ static int idt77252_preset(struct idt77252_dev
>> *card)
>>           return -1;
>>       }
>>       if (!(pci_command & PCI_COMMAND_IO)) {
>> -        printk("%s: PCI_COMMAND: %04x (???)\n",
>> +        printk("%s: PCI_COMMAND: %04x (?)\n",
>>                  card->name, pci_command);
>>           deinit_card(card);
>>           return (-1);
>>