linux-kernel - Re: [PATCH] remove duplicate checking code

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Date:	Thu, 29 May 2014 15:45:47 +0200
From:	Paul Bolle <pebolle@...cali.nl>
To:	Joerg Roedel <joro@...tes.org>
Cc:	Vaughan Cao <vaughan.cao@...cle.com>,
	iommu@...ts.linux-foundation.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] remove duplicate checking code

On Mon, 2014-05-26 at 11:39 +0200, Joerg Roedel wrote:
> On Fri, May 16, 2014 at 03:39:40PM +0800, Vaughan Cao wrote:
> > amd_iommu_rlookup_table[devid] != NULL is already guaranteed by check_device
> > called before, it's fine to attach device at this point.
> > 
> > Signed-off-by: Vaughan Cao <vaughan.cao@...cle.com>
> > ---
> >  drivers/iommu/amd_iommu.c | 6 ------
> >  1 file changed, 6 deletions(-)
> 
> Applied, thanks.

This one entered linux-next, as of next-20142527, in commit ecef115d4540
("iommu/amd: Remove duplicate checking code"). It triggers an obviously
correct warning:
    drivers/iommu/amd_iommu.c: In function ‘amd_iommu_init_passthrough’:
    drivers/iommu/amd_iommu.c:3503:6: warning: unused variable ‘devid’ [-Wunused-variable]
      u16 devid;
          ^
    drivers/iommu/amd_iommu.c:3502:20: warning: unused variable ‘iommu’ [-Wunused-variable]
      struct amd_iommu *iommu;
                        ^

Is the trivial fix for this queued somewhere?


Paul Bolle

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