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: d93445225cd3 ("uaccess: add noop untagged_addr definition")
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>

diff --git a/drivers/staging/media/atomisp/pci/hmm/hmm_bo.c b/drivers/staging/media/atomisp/pci/hmm/hmm_bo.c
index 492b76c29490bde955ea71d42cb292b3cbd825e8..6fce8c95be1d10cd7456219b7e14cd8f5f79f71e 100644 (file)
--- a/drivers/staging/media/atomisp/pci/hmm/hmm_bo.c
+++ b/drivers/staging/media/atomisp/pci/hmm/hmm_bo.c
@@ -997,6 +997,9 @@ static int alloc_user_pages(struct hmm_buffer_object *bo,
         * Handle frame buffer allocated in other kerenl space driver
         * and map to user space
         */
+
+       userptr = untagged_addr(userptr);
+
        if (vma->vm_flags & (VM_IO | VM_PFNMAP)) {
                page_nr = get_pfnmap_pages(current, current->mm,
                                           (unsigned long)userptr,