ARM: OMAP3: PM: remove access to PRM_VOLTCTRL register

[pandora-kernel.git] / mm / rmap.c

diff --git a/mm/rmap.c b/mm/rmap.c
index 8685697..52a2f36 100644 (file)
--- a/mm/rmap.c
+++ b/mm/rmap.c
@@ -581,7 +581,11 @@ pte_t *__page_check_address(struct page *page, struct mm_struct *mm,
        spinlock_t *ptl;
 
        if (unlikely(PageHuge(page))) {
+               /* when pud is not present, pte will be NULL */
                pte = huge_pte_offset(mm, address);
+               if (!pte)
+                       return NULL;
+
                ptl = &mm->page_table_lock;
                goto check;
        }