From: Kirill A. Shutemov <kirill.shutemov@linux.intel.com>
Date: Thu, 14 Nov 2013 22:31:29 +0000 (-0800)
Subject: cris: handle pgtable_page_ctor() fail
X-Git-Url: http://git.cdn.openwrt.org/?a=commitdiff_plain;h=0da5303bdb55e67963e8b53ebf3a2aa75051cab4;p=openwrt%2Fstaging%2Fblogic.git

cris: handle pgtable_page_ctor() fail

Signed-off-by: Kirill A. Shutemov <kirill.shutemov@linux.intel.com>
Cc: Mikael Starvik <starvik@axis.com>
Acked-by: Jesper Nilsson <jesper.nilsson@axis.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---

diff --git a/arch/cris/include/asm/pgalloc.h b/arch/cris/include/asm/pgalloc.h
index d9504d38c276..235ece437ddd 100644
--- a/arch/cris/include/asm/pgalloc.h
+++ b/arch/cris/include/asm/pgalloc.h
@@ -34,7 +34,10 @@ static inline pgtable_t pte_alloc_one(struct mm_struct *mm, unsigned long addres
 	pte = alloc_pages(GFP_KERNEL|__GFP_REPEAT|__GFP_ZERO, 0);
 	if (!pte)
 		return NULL;
-	pgtable_page_ctor(pte);
+	if (!pgtable_page_ctor(pte)) {
+		__free_page(pte);
+		return NULL;
+	}
 	return pte;
 }