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| author | Matthew Wilcox (Oracle) <[email protected]> | 2024-01-16 21:29:59 +0000 |
|---|---|---|
| committer | Jens Axboe <[email protected]> | 2024-01-16 22:02:25 +0000 |
| commit | 7bed6f3d08b7af27b7015da8dc3acf2b9c1f21d7 (patch) | |
| tree | 434bc7943d25e5b21eeaf415c4b338311a1d4bc6 /drivers/gpu/drm/amd/amdgpu/amdgpu_debugfs.c | |
| parent | block: bio-integrity: fix kcalloc() arguments order (diff) | |
| download | kernel-7bed6f3d08b7af27b7015da8dc3acf2b9c1f21d7.tar.gz kernel-7bed6f3d08b7af27b7015da8dc3acf2b9c1f21d7.zip | |
block: Fix iterating over an empty bio with bio_for_each_folio_all
If the bio contains no data, bio_first_folio() calls page_folio() on a
NULL pointer and oopses. Move the test that we've reached the end of
the bio from bio_next_folio() to bio_first_folio().
Reported-by: [email protected]
Reported-by: [email protected]
Fixes: 640d1930bef4 ("block: Add bio_for_each_folio_all()")
Cc: [email protected]
Signed-off-by: Matthew Wilcox (Oracle) <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
[axboe: add unlikely() to error case]
Signed-off-by: Jens Axboe <[email protected]>
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/amdgpu_debugfs.c')
0 files changed, 0 insertions, 0 deletions