Commit c8e9df47 authored by Kirti Wankhede's avatar Kirti Wankhede Committed by Alex Williamson
Browse files

vfio iommu: typecast corrections 



Fixes sparse warnings by adding '__user' in typecast for
copy_[from,to]_user()

Fixes: d6a4c185 ("vfio iommu: Implementation of ioctl for dirty pages tracking")
Reported-by: default avatarkbuild test robot <lkp@intel.com>
Signed-off-by: default avatarKirti Wankhede <kwankhede@nvidia.com>
Signed-off-by: default avatarAlex Williamson <alex.williamson@redhat.com>
parent cd0bb41e

drivers/vfio/vfio_iommu_type1.c

+2 −2
Original line number Diff line number Diff line
@@ -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;