[PATCH 16/34] hexagon: handle pgtable_page_ctor() fail

From: Kirill A. Shutemov
Date: Thu Oct 10 2013 - 14:12:32 EST


Signed-off-by: Kirill A. Shutemov <kirill.shutemov@xxxxxxxxxxxxxxx>
Cc: Richard Kuo <rkuo@xxxxxxxxxxxxxx>
---
arch/hexagon/include/asm/pgalloc.h | 10 ++++++----
1 file changed, 6 insertions(+), 4 deletions(-)

diff --git a/arch/hexagon/include/asm/pgalloc.h b/arch/hexagon/include/asm/pgalloc.h
index 679bf6d664..4c9d382d77 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;
}

--
1.8.4.rc3

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