From 3b9cf77d1aad657dd44ab0f0368978e87b64ad23 Mon Sep 17 00:00:00 2001
From: "Kirill A. Shutemov" <kirill.shutemov@linux.intel.com>
Date: Thu, 14 Nov 2013 14:31:30 -0800
Subject: [PATCH] frv: handle pgtable_page_ctor() fail

Signed-off-by: Kirill A. Shutemov <kirill.shutemov@linux.intel.com>
Acked-by: David Howells <dhowells@redhat.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
 arch/frv/mm/pgalloc.c | 12 ++++++++----
 1 file changed, 8 insertions(+), 4 deletions(-)

diff --git a/arch/frv/mm/pgalloc.c b/arch/frv/mm/pgalloc.c
index f6084bc524e8..41907d25ed38 100644
--- a/arch/frv/mm/pgalloc.c
+++ b/arch/frv/mm/pgalloc.c
@@ -37,11 +37,15 @@ pgtable_t pte_alloc_one(struct mm_struct *mm, unsigned long address)
 #else
 	page = alloc_pages(GFP_KERNEL|__GFP_REPEAT, 0);
 #endif
-	if (page) {
-		clear_highpage(page);
-		pgtable_page_ctor(page);
-		flush_dcache_page(page);
+	if (!page)
+		return NULL;
+
+	clear_highpage(page);
+	if (!pgtable_page_ctor(page)) {
+		__free_page(page);
+		return NULL;
 	}
+	flush_dcache_page(page);
 	return page;
 }