hexagon: handle pgtable_page_ctor() fail

Signed-off-by: Kirill A. Shutemov <kirill.shutemov@linux.intel.com>
Cc: Richard Kuo <rkuo@codeaurora.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

1 files changed, 6 insertions, 4 deletions

diff --git a/arch/hexagon/include/asm/pgalloc.h b/arch/hexagon/include/asm/pgalloc.h
index 679bf6d66487..4c9d382d7798 100644
--- a/arch/hexagon/include/asm/pgalloc.h
+++ b/arch/hexagon/include/asm/pgalloc.h
@@ -65,10 +65,12 @@ static inline struct page *pte_alloc_one(struct mm_struct *mm,
         struct page *pte;
 
         pte = alloc_page(GFP_KERNEL | __GFP_REPEAT | __GFP_ZERO);
-
-        if (pte)
-                pgtable_page_ctor(pte);
-
+        if (!pte)
+                return NULL;
+        if (!pgtable_page_ctor(pte)) {
+                __free_page(pte);
+                return NULL;
+        }
         return pte;
 }