diff options
| author | André Fabian Silva Delgado <emulatorman@parabola.nu> | 2016-03-11 18:08:49 -0300 |
|---|---|---|
| committer | André Fabian Silva Delgado <emulatorman@parabola.nu> | 2016-03-11 18:08:49 -0300 |
| commit | d4e493caf788ef44982e131ff9c786546904d934 (patch) | |
| tree | 04c72e6d295ff6b222c2991ff4b87d16d651443b /drivers/vfio/vfio_iommu_type1.c | |
| parent | eccbe858ce6412b96fc7cb32eb23a3592f64e5f6 (diff) | |
Linux-libre 4.4.5-gnupck-4.4.5-gnu
Diffstat (limited to 'drivers/vfio/vfio_iommu_type1.c')
| -rw-r--r-- | drivers/vfio/vfio_iommu_type1.c | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/drivers/vfio/vfio_iommu_type1.c b/drivers/vfio/vfio_iommu_type1.c index 59d47cb63..ecb826eef 100644 --- a/drivers/vfio/vfio_iommu_type1.c +++ b/drivers/vfio/vfio_iommu_type1.c @@ -999,7 +999,8 @@ static long vfio_iommu_type1_ioctl(void *iommu_data, info.iova_pgsizes = vfio_pgsize_bitmap(iommu); - return copy_to_user((void __user *)arg, &info, minsz); + return copy_to_user((void __user *)arg, &info, minsz) ? + -EFAULT : 0; } else if (cmd == VFIO_IOMMU_MAP_DMA) { struct vfio_iommu_type1_dma_map map; @@ -1032,7 +1033,8 @@ static long vfio_iommu_type1_ioctl(void *iommu_data, if (ret) return ret; - return copy_to_user((void __user *)arg, &unmap, minsz); + return copy_to_user((void __user *)arg, &unmap, minsz) ? + -EFAULT : 0; } return -ENOTTY; |