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| author | Kirill A. Shutemov <kirill.shutemov@linux.intel.com> | 2013-11-14 14:31:40 -0800 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2013-11-15 09:32:18 +0900 |
| commit | 96da3a62ea1fef2d9dfa8eff97706603918d5f4d (patch) | |
| tree | a3d9ba07d6df133fe65f708efdb7d33b5b059960 | |
| parent | e89cfa58a8358fdb4d4e79936c25222416ad415e (diff) | |
| download | lwn-96da3a62ea1fef2d9dfa8eff97706603918d5f4d.tar.gz lwn-96da3a62ea1fef2d9dfa8eff97706603918d5f4d.zip | |
score: handle pgtable_page_ctor() fail
Signed-off-by: Kirill A. Shutemov <kirill.shutemov@linux.intel.com>
Cc: Chen Liqin <liqin.chen@sunplusct.com>
Acked-by: Lennox Wu <lennox.wu@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
| -rw-r--r-- | arch/score/include/asm/pgalloc.h | 9 |
1 files changed, 6 insertions, 3 deletions
diff --git a/arch/score/include/asm/pgalloc.h b/arch/score/include/asm/pgalloc.h index 716b3fd1d863..2e067657db98 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; } |