diff --git a/mm/vma.c b/mm/vma.c
index 9f0a0acf694a..6cde67883fb0 100644
--- a/mm/vma.c
+++ b/mm/vma.c
@@ -2849,7 +2849,7 @@ static unsigned long __mmap_region(struct file *file, unsigned long addr,
 {
 	struct mm_struct *mm = current->mm;
 	struct vm_area_struct *vma = NULL;
-	bool have_mmap_prepare = file && file->f_op->mmap_prepare;
+	const bool have_mmap_prepare = file && file->f_op->mmap_prepare;
 	VMA_ITERATOR(vmi, mm, addr);
 	const pgoff_t anon_pgoff = addr >> PAGE_SHIFT;
 	MMAP_STATE(map, mm, &vmi, addr, len, pgoff, anon_pgoff, vma_flags, file);
@@ -2892,7 +2892,7 @@ static unsigned long __mmap_region(struct file *file, unsigned long addr,
 		allocated_new = true;
 	}
 
-	if (have_mmap_prepare)
+	if (have_mmap_prepare && allocated_new)
 		set_vma_user_defined_fields(vma, &map);
 
 	__mmap_complete(&map, vma);