1 files changed, 1 insertions, 1 deletions

diff --git a/mm/hugetlb.c b/mm/hugetlb.c
index 6121b57bbe96..6f978218c2c8 100644
--- a/mm/hugetlb.c
+++ b/mm/hugetlb.c
@@ -907,7 +907,7 @@ int follow_hugetlb_page(struct mm_struct *mm, struct vm_area_struct *vma,
                  */
                 pte = huge_pte_offset(mm, vaddr & HPAGE_MASK);
 
-                if (!pte || pte_none(*pte)) {
+                if (!pte || pte_none(*pte) || (write && !pte_write(*pte))) {
                         int ret;
 
                         spin_unlock(&mm->page_table_lock);