drm/msm: protect against faults from copy_from_user() in submit ioctl

[karo-tx-linux.git] / drivers / iommu / arm-smmu-v3.c

diff --git a/drivers/iommu/arm-smmu-v3.c b/drivers/iommu/arm-smmu-v3.c
index 5f6b3bcab0782be2d29d465390b1b4bd179bf433..ce801170d5f2342f1b2c750750bea720d9fc0ff2 100644 (file)
--- a/drivers/iommu/arm-smmu-v3.c
+++ b/drivers/iommu/arm-smmu-v3.c
@@ -2687,6 +2687,8 @@ static int __init arm_smmu_init(void)
        if (ret)
                return ret;
 
+       pci_request_acs();
+
        return bus_set_iommu(&pci_bus_type, &arm_smmu_ops);
 }