media: atomisp: hmm_bo: untag user pointers
The kernel ABI was extended to allow pass tagged user pointers.
Untag the pointers in this function.
Fixes: d93445225c
("uaccess: add noop untagged_addr definition")
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
This commit is contained in:
Родитель
08fef4fa94
Коммит
576680cd01
|
@ -997,6 +997,9 @@ static int alloc_user_pages(struct hmm_buffer_object *bo,
|
||||||
* Handle frame buffer allocated in other kerenl space driver
|
* Handle frame buffer allocated in other kerenl space driver
|
||||||
* and map to user space
|
* and map to user space
|
||||||
*/
|
*/
|
||||||
|
|
||||||
|
userptr = untagged_addr(userptr);
|
||||||
|
|
||||||
if (vma->vm_flags & (VM_IO | VM_PFNMAP)) {
|
if (vma->vm_flags & (VM_IO | VM_PFNMAP)) {
|
||||||
page_nr = get_pfnmap_pages(current, current->mm,
|
page_nr = get_pfnmap_pages(current, current->mm,
|
||||||
(unsigned long)userptr,
|
(unsigned long)userptr,
|
||||||
|
|
Загрузка…
Ссылка в новой задаче