diff --git a/drivers/staging/media/atomisp/pci/hmm/hmm_bo.c b/drivers/staging/media/atomisp/pci/hmm/hmm_bo.c
index b91cbd0262d0..0a8f401a1ca1 100644
--- a/drivers/staging/media/atomisp/pci/hmm/hmm_bo.c
+++ b/drivers/staging/media/atomisp/pci/hmm/hmm_bo.c
@@ -984,8 +984,7 @@ void hmm_bo_unref(struct hmm_buffer_object *bo)
 
 static void hmm_bo_vm_open(struct vm_area_struct *vma)
 {
-	struct hmm_buffer_object *bo =
-	    (struct hmm_buffer_object *)vma->vm_private_data;
+	struct hmm_buffer_object *bo = vma->vm_private_data;
 
 	check_bo_null_return_void(bo);
 
@@ -1002,8 +1001,7 @@ static void hmm_bo_vm_open(struct vm_area_struct *vma)
 
 static void hmm_bo_vm_close(struct vm_area_struct *vma)
 {
-	struct hmm_buffer_object *bo =
-	    (struct hmm_buffer_object *)vma->vm_private_data;
+	struct hmm_buffer_object *bo = vma->vm_private_data;
 
 	check_bo_null_return_void(bo);