linux-kernel - Re: [PATCH] PCI/AER: Forward declare struct pci

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Message-ID: <53CDA99D.4090602@infradead.org>
Date:	Mon, 21 Jul 2014 17:00:29 -0700
From:	Randy Dunlap <rdunlap@...radead.org>
To:	Gavin Shan <gwshan@...ux.vnet.ibm.com>,
	Tuomas Tynkkynen <ttynkkynen@...dia.com>
CC:	Bjorn Helgaas <bhelgaas@...gle.com>, linux-pci@...r.kernel.org,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH] PCI/AER: Forward declare struct pci_dev to avoid warning

On 07/21/2014 04:27 PM, Gavin Shan wrote:
> On Mon, Jul 21, 2014 at 07:30:43PM +0300, Tuomas Tynkkynen wrote:
> 
> I guess it's same issue and fix as:
> 
> http://patchwork.ozlabs.org/patch/370629/

Yes, and it still needs to be merged.... :(

> Thanks,
> Gavin
> 
>> Forward declaring struct pci_dev in aer.h avoids this warning:
>>
>> In file included from include/ras/ras_event.h:11:0,
>>                 from drivers/ras/ras.c:13:
>> include/linux/aer.h:38:44: warning: 'struct pci_dev’ declared inside parameter list [enabled by default]
>> include/linux/aer.h:38:44: warning: its scope is only this definition or declaration, which is probably not what you want [enabled by default]
>>
>> Signed-off-by: Tuomas Tynkkynen <ttynkkynen@...dia.com>
>> ---
>> include/linux/aer.h | 2 ++
>> 1 file changed, 2 insertions(+)
>>
>> diff --git a/include/linux/aer.h b/include/linux/aer.h
>> index 4dbaa70..d9ec8dd 100644
>> --- a/include/linux/aer.h
>> +++ b/include/linux/aer.h
>> @@ -7,6 +7,8 @@
>> #ifndef _AER_H_
>> #define _AER_H_
>>
>> +struct pci_dev;
>> +
>> #define AER_NONFATAL			0
>> #define AER_FATAL			1
>> #define AER_CORRECTABLE			2
>> -- 


-- 
~Randy
--
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