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| author | Todd Kjos <tkjos@android.com> | 2019-02-08 10:35:20 -0800 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2019-02-12 10:43:57 +0100 |
| commit | bde4a19fc04f5f46298c86b1acb7a4af1d5f138d (patch) | |
| tree | 1062d8eaaf1dbfc760c295387390de1f4022e64c /drivers/android/binder_alloc_selftest.c | |
| parent | c41358a5f5217abd7c051e8d42397e5b80f3b3ed (diff) | |
| download | linux-stable-bde4a19fc04f5f46298c86b1acb7a4af1d5f138d.tar.gz linux-stable-bde4a19fc04f5f46298c86b1acb7a4af1d5f138d.tar.bz2 linux-stable-bde4a19fc04f5f46298c86b1acb7a4af1d5f138d.zip | |
binder: use userspace pointer as base of buffer space
Now that alloc->buffer points to the userspace vm_area
rename buffer->data to buffer->user_data and rename
local pointers that hold user addresses. Also use the
"__user" tag to annotate all user pointers so sparse
can flag cases where user pointer vaues are copied to
kernel pointers. Refactor code to use offsets instead
of user pointers.
Signed-off-by: Todd Kjos <tkjos@google.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/android/binder_alloc_selftest.c')
| -rw-r--r-- | drivers/android/binder_alloc_selftest.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/drivers/android/binder_alloc_selftest.c b/drivers/android/binder_alloc_selftest.c index 8bd7bcef967d..f0f4d7d02635 100644 --- a/drivers/android/binder_alloc_selftest.c +++ b/drivers/android/binder_alloc_selftest.c @@ -105,8 +105,8 @@ static bool check_buffer_pages_allocated(struct binder_alloc *alloc, void *page_addr, *end; int page_index; - end = (void *)PAGE_ALIGN((uintptr_t)buffer->data + size); - page_addr = buffer->data; + end = (void *)PAGE_ALIGN((uintptr_t)buffer->user_data + size); + page_addr = buffer->user_data; for (; page_addr < end; page_addr += PAGE_SIZE) { page_index = (page_addr - alloc->buffer) / PAGE_SIZE; if (!alloc->pages[page_index].page_ptr || |