From 2cb6182bb6153f685c37773687e63094317b1eeb Mon Sep 17 00:00:00 2001
From: "Kirill A. Shutemov" <kirill.shutemov@linux.intel.com>
Date: Thu, 14 Nov 2013 14:31:28 -0800
Subject: [PATCH] avr32: handle pgtable_page_ctor() fail
Signed-off-by: Kirill A. Shutemov <kirill.shutemov@linux.intel.com>
Cc: Haavard Skinnemoen <hskinnemoen@gmail.com>
Acked-by: Hans-Christian Egtvedt <egtvedt@samfundet.no>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
arch/avr32/include/asm/pgalloc.h | 5 ++++-
1 file changed, 4 insertions(+), 1 deletion(-)
diff --git a/arch/avr32/include/asm/pgalloc.h b/arch/avr32/include/asm/pgalloc.h
index bc7e8ae479ee..1aba19d68c5e 100644
--- a/arch/avr32/include/asm/pgalloc.h
+++ b/arch/avr32/include/asm/pgalloc.h
@@ -68,7 +68,10 @@ static inline pgtable_t pte_alloc_one(struct mm_struct *mm,
return NULL;
page = virt_to_page(pg);
- pgtable_page_ctor(page);
+ if (!pgtable_page_ctor(page)) {
+ quicklist_free(QUICK_PT, NULL, pg);
+ return NULL;
+ }
return page;
}
--
2.20.1