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authorKirti Wankhede <kwankhede@nvidia.com>2020-06-03 00:12:37 +0530
committerAlex Williamson <alex.williamson@redhat.com>2020-06-02 13:44:28 -0600
commitc8e9df4744a3e4d897a6ac6e71a38aa8d7b65aa0 (patch)
treebcbd1d2c1aa5506732f8dc211d07adea5e76b239 /drivers/vfio
parentcd0bb41ea86027d3a5c3555772692323cbc05bc1 (diff)
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vfio iommu: typecast corrections
Fixes sparse warnings by adding '__user' in typecast for copy_[from,to]_user() Fixes: d6a4c185660c ("vfio iommu: Implementation of ioctl for dirty pages tracking") Reported-by: kbuild test robot <lkp@intel.com> Signed-off-by: Kirti Wankhede <kwankhede@nvidia.com> Signed-off-by: Alex Williamson <alex.williamson@redhat.com>
Diffstat (limited to 'drivers/vfio')
-rw-r--r--drivers/vfio/vfio_iommu_type1.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/drivers/vfio/vfio_iommu_type1.c b/drivers/vfio/vfio_iommu_type1.c
index 0e4e71799290..391fafe82c5c 100644
--- a/drivers/vfio/vfio_iommu_type1.c
+++ b/drivers/vfio/vfio_iommu_type1.c
@@ -998,14 +998,14 @@ static int update_user_bitmap(u64 __user *bitmap, struct vfio_iommu *iommu,
nbits + shift);
if (copy_from_user(&leftover,
- (const void *)(bitmap + copy_offset),
+ (void __user *)(bitmap + copy_offset),
sizeof(leftover)))
return -EFAULT;
bitmap_or(dma->bitmap, dma->bitmap, &leftover, shift);
}
- if (copy_to_user((void *)(bitmap + copy_offset), dma->bitmap,
+ if (copy_to_user((void __user *)(bitmap + copy_offset), dma->bitmap,
DIRTY_BITMAP_BYTES(nbits + shift)))
return -EFAULT;