linux-kernel - Re: Driver scsi/lpfc breaks build since 3.4.1

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Date:	Mon, 18 Jun 2012 10:48:18 -0400
From:	James Smart <james.smart@...lex.com>
To:	Greg KH <gregkh@...uxfoundation.org>
CC:	Tobias Klausmann <tobias.johannes.klausmann@....thm.de>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: Re: Driver scsi/lpfc breaks build since 3.4.1

fyi - the patch to lpfc to resolve this were submitted a while ago:
http://marc.info/?l=linux-scsi&m=133661285100503&w=2

-- james s


On 6/17/2012 9:24 PM, Greg KH wrote:
> On Mon, Jun 18, 2012 at 02:09:08AM +0200, Tobias Klausmann wrote:
>> Hello there,
>> since 3.4.1 the driver scsi/lpfc breaks my build for some unused variables:
>> drivers/scsi/lpfc/lpfc_scsi.c: In function ‘lpfc_bg_setup_bpl’:
>> drivers/scsi/lpfc/lpfc_scsi.c:1900:11: error: unused variable ‘rc’
>> [-Werror=unused-variable]
>> drivers/scsi/lpfc/lpfc_scsi.c: In function ‘lpfc_bg_setup_bpl_prot’:
>> drivers/scsi/lpfc/lpfc_scsi.c:2037:11: error: unused variable ‘rc’
>> [-Werror=unused-variable]
>> drivers/scsi/lpfc/lpfc_scsi.c: In function ‘lpfc_bg_setup_sgl’:
>> drivers/scsi/lpfc/lpfc_scsi.c:2256:11: error: unused variable ‘rc’
>> [-Werror=unused-variable]
>> drivers/scsi/lpfc/lpfc_scsi.c: In function ‘lpfc_bg_setup_sgl_prot’:
>> drivers/scsi/lpfc/lpfc_scsi.c:2386:11: error: unused variable ‘rc’
>> [-Werror=unused-variable]
>> cc1: all warnings being treated as errors
>>
>>  From the drivers makefile:
>> ccflags-y += -Werror <- this causes the bad behavior.
> As has been stated before, this ccflags setting is what needs to be
> fixed, not trying to fix up the warnings here (although that is a good
> goal overall.)
>
> Also, this isn't how to submit a patch to the stable kernel tree, please
> read Documentation/stable_kernel_rules.txt for how to properly do that.
>
> thanks,
>
> greg k-h


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