mirror of https://gitee.com/openkylin/linux.git
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>
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@ -997,6 +997,9 @@ static int alloc_user_pages(struct hmm_buffer_object *bo,
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* Handle frame buffer allocated in other kerenl space driver
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* and map to user space
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*/
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userptr = untagged_addr(userptr);
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if (vma->vm_flags & (VM_IO | VM_PFNMAP)) {
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page_nr = get_pfnmap_pages(current, current->mm,
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(unsigned long)userptr,
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