diff options
| author | Liam Howlett <liam.howlett@oracle.com> | 2021-06-29 05:39:26 +0300 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2021-06-29 20:53:51 +0300 |
| commit | da68547d3692e89984f2c952c0931aa27b9095cd (patch) | |
| tree | 369ef715ecb4b06fdf9eb0d9ec0a3ba8e433100d /drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c | |
| parent | 47bdd1db16e67ebfde6f77eaf7625b2292ae6d58 (diff) | |
| download | linux-da68547d3692e89984f2c952c0931aa27b9095cd.tar.xz | |
drm/amdgpu: use vma_lookup() in amdgpu_ttm_tt_get_user_pages()
Use vma_lookup() to find the VMA at a specific address. As vma_lookup()
will return NULL if the address is not within any VMA, the start address
no longer needs to be validated.
Link: https://lkml.kernel.org/r/20210521174745.2219620-14-Liam.Howlett@Oracle.com
Signed-off-by: Liam R. Howlett <Liam.Howlett@Oracle.com>
Reviewed-by: Laurent Dufour <ldufour@linux.ibm.com>
Acked-by: David Hildenbrand <david@redhat.com>
Acked-by: Davidlohr Bueso <dbueso@suse.de>
Acked-by: Alex Deucher <alexander.deucher@amd.com>
Cc: Geert Uytterhoeven <geert@linux-m68k.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c')
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c index d5cbc51c5eaa..61c4fb1b87fe 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c @@ -709,8 +709,8 @@ int amdgpu_ttm_tt_get_user_pages(struct amdgpu_bo *bo, struct page **pages) } mmap_read_lock(mm); - vma = find_vma(mm, start); - if (unlikely(!vma || start < vma->vm_start)) { + vma = vma_lookup(mm, start); + if (unlikely(!vma)) { r = -EFAULT; goto out_unlock; } |