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author | Andreas Gruenbacher <agruenba@redhat.com> | 2019-11-07 07:28:18 -0800 |
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committer | Darrick J. Wong <darrick.wong@oracle.com> | 2019-11-07 07:28:18 -0800 |
commit | add66fcbd3fbe5aa0dd4dddfa23e119c12989a27 (patch) | |
tree | d9d71271fe45b9a3ba59c9c17bc5534efb149f67 /drivers/gpu/drm/amd/amdgpu/amdgpu_fb.c | |
parent | a901004214994f12523b47521cddfa4426f284c1 (diff) |
iomap: Fix overflow in iomap_page_mkwrite
On architectures where loff_t is wider than pgoff_t, the expression
((page->index + 1) << PAGE_SHIFT) can overflow. Rewrite to use the page
offset, which we already compute here anyway.
Signed-off-by: Andreas Gruenbacher <agruenba@redhat.com>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Darrick J. Wong <darrick.wong@oracle.com>
Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com>
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/amdgpu_fb.c')
0 files changed, 0 insertions, 0 deletions