linux-kernel - Re: linux-next: build warning after merge of the scsi tree

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Date:	Wed, 04 Aug 2010 00:17:56 -0400
From:	James Bottomley <James.Bottomley@...senPartnership.com>
To:	Stephen Rothwell <sfr@...b.auug.org.au>
Cc:	linux-next@...r.kernel.org, linux-kernel@...r.kernel.org,
	Alan Stern <stern@...land.harvard.edu>,
	linux-scsi <linux-scsi@...r.kernel.org>
Subject: Re: linux-next: build warning after merge of the scsi tree

cc linux-scsi added

On Wed, 2010-08-04 at 13:13 +1000, Stephen Rothwell wrote:
> Hi James,
> 
> After merging the scsi tree, today's linux-next build (powerpc
> ppc64_defconfig) produced this warning:
> 
> drivers/scsi/scsi_sysfs.c:384: warning: dereferencing 'void *' pointer
> 
> Introduced by commit db5bd1e0b505c54ff492172ce4abc245cf6cd639 ("[SCSI]
> convert to the new PM framework").  This build does not have
> CONFIG_PM_OPS set.

So this one looks to be a compiler error.  in the none CONFIG_PM_OPS
case, we have

scsi_priv.h:#define scsi_bus_pm_ops             (*NULL)

So &scsi_bus_pm_ops should be NULL (not a deref of null).

James


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