| From | "Kirill A. Shutemov" <> | Subject | [PATCH 25/34] score: handle pgtable_page_ctor() fail | Date | Thu, 10 Oct 2013 21:05:50 +0300 |
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Signed-off-by: Kirill A. Shutemov <kirill.shutemov@linux.intel.com> Cc: Chen Liqin <liqin.chen@sunplusct.com> Cc: Lennox Wu <lennox.wu@gmail.com> --- arch/score/include/asm/pgalloc.h | 9 ++++++--- 1 file changed, 6 insertions(+), 3 deletions(-)
diff --git a/arch/score/include/asm/pgalloc.h b/arch/score/include/asm/pgalloc.h index 059a61b707..2a861ffbd5 100644 --- a/arch/score/include/asm/pgalloc.h +++ b/arch/score/include/asm/pgalloc.h @@ -54,9 +54,12 @@ static inline struct page *pte_alloc_one(struct mm_struct *mm, struct page *pte; pte = alloc_pages(GFP_KERNEL | __GFP_REPEAT, PTE_ORDER); - if (pte) { - clear_highpage(pte); - pgtable_page_ctor(pte); + if (!pte) + return NULL; + clear_highpage(pte); + if (!pgtable_page_ctor(pte)) { + __free_page(pte); + return NULL; } return pte; } -- 1.8.4.rc3
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