On 2014/9/17 11:20, Martin Kelly wrote:
> On 09/16/2014 07:09 PM, Li, Aubrey wrote:
>>
>> Thanks to take care of this warning. How about this version?
>>
>> diff --git a/arch/x86/kernel/pmc_atom.c b/arch/x86/kernel/pmc_atom.c
>> index 0c424a6..cd91b57 100644
>> --- a/arch/x86/kernel/pmc_atom.c
>> +++ b/arch/x86/kernel/pmc_atom.c
>> @@ -240,7 +240,7 @@ err:
>> static int pmc_setup_dev(struct pci_dev *pdev)
>> {
>> struct pmc_dev *pmc = &pmc_device;
>> - int ret;
>> + int ret = 0;
>>
>> /* Obtain ACPI base address */
>> pci_read_config_dword(pdev, ACPI_BASE_ADDR_OFFSET, &acpi_base_addr);
>> @@ -269,7 +269,7 @@ static int pmc_setup_dev(struct pci_dev *pdev)
>> return ret;
>> }
>> #endif /* CONFIG_DEBUG_FS */
>> - return 0;
>> + return ret;
>> }
>>
>> /*
>>
>> Thanks,
>> -Aubrey
>>
>
> Thanks for the suggestion, Aubrey. Although that version would also work, it
> still has inline #ifdef, which is harder to read and goes against general
> Linux conventions:
Why do you want to call pmc_dbgfs_register() anyway even if
CONFIG_DEBUG_FS=n?
Thanks,
-Aubrey
>
> https://www.kernel.org/doc/Documentation/SubmittingPatches
> (section 2, "#ifdefs are ugly")
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