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path: root/drivers/iommu/intel/iommu.c
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Diffstat (limited to 'drivers/iommu/intel/iommu.c')
-rw-r--r--drivers/iommu/intel/iommu.c10
1 files changed, 3 insertions, 7 deletions
diff --git a/drivers/iommu/intel/iommu.c b/drivers/iommu/intel/iommu.c
index 48cdcd0a5cf3..6f1a59206d2e 100644
--- a/drivers/iommu/intel/iommu.c
+++ b/drivers/iommu/intel/iommu.c
@@ -4194,19 +4194,15 @@ static int prepare_domain_attach_device(struct iommu_domain *domain,
return -ENODEV;
if (dmar_domain->force_snooping && !ecap_sc_support(iommu->ecap))
- return -EOPNOTSUPP;
+ return -EINVAL;
/* check if this iommu agaw is sufficient for max mapped address */
addr_width = agaw_to_width(iommu->agaw);
if (addr_width > cap_mgaw(iommu->cap))
addr_width = cap_mgaw(iommu->cap);
- if (dmar_domain->max_addr > (1LL << addr_width)) {
- dev_err(dev, "%s: iommu width (%d) is not "
- "sufficient for the mapped address (%llx)\n",
- __func__, addr_width, dmar_domain->max_addr);
- return -EFAULT;
- }
+ if (dmar_domain->max_addr > (1LL << addr_width))
+ return -EINVAL;
dmar_domain->gaw = addr_width;
/*