From 7251ab6b86179f195b3f4b56d57ce9dc7a725409 Mon Sep 17 00:00:00 2001
From: "Kirill A. Shutemov" <kirill.shutemov@linux.intel.com>
Date: Thu, 14 Nov 2013 14:31:33 -0800
Subject: [PATCH] m32r: handle pgtable_page_ctor() fail
Signed-off-by: Kirill A. Shutemov <kirill.shutemov@linux.intel.com>
Cc: Hirokazu Takata <takata@linux-m32r.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
arch/m32r/include/asm/pgalloc.h | 5 ++++-
1 file changed, 4 insertions(+), 1 deletion(-)
diff --git a/arch/m32r/include/asm/pgalloc.h b/arch/m32r/include/asm/pgalloc.h
index ac4208bcc5ad..2d55a064ccac 100644
--- a/arch/m32r/include/asm/pgalloc.h
+++ b/arch/m32r/include/asm/pgalloc.h
@@ -45,7 +45,10 @@ static __inline__ pgtable_t pte_alloc_one(struct mm_struct *mm,
if (!pte)
return NULL;
- pgtable_page_ctor(pte);
+ if (!pgtable_page_ctor(pte)) {
+ __free_page(pte);
+ return NULL;
+ }
return pte;
}
--
2.20.1