Re: [PATCH 2/2] PCI: iproc: avoid maybe-uninitialized warning

[Ray Jui]

On 11/22/2016 1:15 PM, Arnd Bergmann wrote:
> On Tuesday, November 22, 2016 9:45:24 AM CET Ray Jui wrote:
>>> diff --git a/drivers/pci/host/pcie-iproc.c b/drivers/pci/host/pcie-iproc.c
>>> index 857ff5198317..0359569c8d78 100644
>>> --- a/drivers/pci/host/pcie-iproc.c
>>> +++ b/drivers/pci/host/pcie-iproc.c
>>> @@ -936,6 +936,7 @@ static int iproc_pcie_setup_ib(struct iproc_pcie *pcie,
>>>  
>>>               }
>>>       }
>>> +     ret = -EINVAL;
>>>  err_ib:
>>>       dev_err(dev, "unable to configure inbound mapping\n");
>>>       dev_err(dev, "axi %pap, pci %pap, res size %pap\n",
>>>
>>
>> This change is good, but in my opinion, a further improvement for
>> clarity would be to initialize 'ret' to -EINVAL in the beginning of this
>> function when 'ret' is declared. What do you think?
>>
> 
> I never do that, see https://rusty.ozlabs.org/?p=232 for a great
> explanation about why.
> 
> 	Arnd
> 

Okay got it. Thanks!

Ray