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SubjectRe: [PATCH] iommu/amd: fix missing tag from dev_err message
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On 07/03/2018 01:40 AM, Colin King wrote:
> From: Colin Ian King <colin.king@canonical.com>
>
> Currently tag is being assigned but not used, it is missing from
> the dev_err message, so add it in.
>
> Cleans up clang warning:
> warning: variable 'tag' set but not used [-Wunused-but-set-variable]
>
> Fixes: e7f63ffc1bf1 ("iommu/amd: Update logging information for new event type")
> Signed-off-by: Colin Ian King <colin.king@canonical.com>
>
> ---
> This is a re-working of an earlier incorrect fix that I posted
> yesterday ("iommu/amd: remove redundant variable tag")

Acked-by: Gary R Hook <gary.hook@amd.com>

>
> ---
> drivers/iommu/amd_iommu.c | 4 ++--
> 1 file changed, 2 insertions(+), 2 deletions(-)
>
> diff --git a/drivers/iommu/amd_iommu.c b/drivers/iommu/amd_iommu.c
> index 596b95c50051..6adab2690793 100644
> --- a/drivers/iommu/amd_iommu.c
> +++ b/drivers/iommu/amd_iommu.c
> @@ -616,9 +616,9 @@ static void iommu_print_event(struct amd_iommu *iommu, void *__evt)
> pasid = ((event[0] >> 16) & 0xFFFF)
> | ((event[1] << 6) & 0xF0000);
> tag = event[1] & 0x03FF;
> - dev_err(dev, "INVALID_PPR_REQUEST device=%02x:%02x.%x pasid=0x%05x address=0x%016llx flags=0x%04x]\n",
> + dev_err(dev, "INVALID_PPR_REQUEST device=%02x:%02x.%x pasid=0x%05x address=0x%016llx flags=0x%04x tag=0x%03x]\n",
> PCI_BUS_NUM(devid), PCI_SLOT(devid), PCI_FUNC(devid),
> - pasid, address, flags);
> + pasid, address, flags, tag);
> break;
> default:
> dev_err(dev, "UNKNOWN event[0]=0x%08x event[1]=0x%08x event[2]=0x%08x event[3]=0x%08x\n",
>

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