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| author | Hans de Goede <hdegoede@redhat.com> | 2022-08-21 20:29:06 +0200 |
|---|---|---|
| committer | Mauro Carvalho Chehab <mchehab@kernel.org> | 2022-09-24 09:46:03 +0200 |
| commit | 6e6c4ae0f0ba295dbf6cbd48d93bec169d6ce431 (patch) | |
| tree | c37e84df743295257e6208becea3399d209581c4 /tools/perf/scripts/python/bin | |
| parent | media: atomisp: hmm_bo: Drop PFN code path from alloc_user_pages() (diff) | |
| download | linux-6e6c4ae0f0ba295dbf6cbd48d93bec169d6ce431.tar.gz linux-6e6c4ae0f0ba295dbf6cbd48d93bec169d6ce431.zip | |
media: atomisp: Ensure that USERPTR pointers are page aligned
The atomisp code needs USERPTR pointers to be page aligned,
otherwise bad things (scribbling over other parts of the
process' RAM) happen.
Add a check to ensure this and exit VIDIOC_QBUF calls with
unaligned pointers with -EINVAL.
Reviewed-by: Andy Shevchenko <andy.shevchenko@gmail.com>
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@kernel.org>
Diffstat (limited to 'tools/perf/scripts/python/bin')
0 files changed, 0 insertions, 0 deletions