Re: [PATCH] iommu/amd: fix missing tag from dev_err message

From: Joe Perches
Date: Tue Jul 03 2018 - 06:07:24 EST


On Tue, 2018-07-03 at 07:40 +0100, Colin King wrote:
> 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]
[]
> diff --git 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);

Seems to have a superfluous ] that should be removed.