diff options
Diffstat (limited to 'drivers/iommu/intel/iommu.c')
| -rw-r--r-- | drivers/iommu/intel/iommu.c | 8 |
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)) |