summaryrefslogtreecommitdiffstats
path: root/drivers
diff options
context:
space:
mode:
Diffstat (limited to 'drivers')
-rw-r--r--drivers/iommu/intel/iommu.c8
1 files changed, 6 insertions, 2 deletions
diff --git a/drivers/iommu/intel/iommu.c b/drivers/iommu/intel/iommu.c
index bd93c7ec879e..76a58b8ad6c3 100644
--- a/drivers/iommu/intel/iommu.c
+++ b/drivers/iommu/intel/iommu.c
@@ -5329,10 +5329,14 @@ static int intel_iommu_disable_auxd(struct device *dev)
static int intel_iommu_enable_sva(struct device *dev)
{
struct device_domain_info *info = get_domain_info(dev);
- struct intel_iommu *iommu = info->iommu;
+ struct intel_iommu *iommu;
int ret;
- if (!info || !iommu || dmar_disabled)
+ if (!info || dmar_disabled)
+ return -EINVAL;
+
+ iommu = info->iommu;
+ if (!iommu)
return -EINVAL;
if (!(iommu->flags & VTD_FLAG_SVM_CAPABLE))