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authorKirill A. Shutemov <kirill.shutemov@linux.intel.com>2013-11-14 14:31:36 -0800
committerLinus Torvalds <torvalds@linux-foundation.org>2013-11-15 09:32:18 +0900
commit3b5b51c1a7bd148e1d7721874849435d76728375 (patch)
treed6810a3ceea297a3dd18328f43a0b8de96f62107 /arch
parent855a30531806388cd63940cb03a18d6546404805 (diff)
downloadlinux-linaro-stable-3b5b51c1a7bd148e1d7721874849435d76728375.tar.gz
mips: handle pgtable_page_ctor() fail
Signed-off-by: Kirill A. Shutemov <kirill.shutemov@linux.intel.com> Cc: Ralf Baechle <ralf@linux-mips.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'arch')
-rw-r--r--arch/mips/include/asm/pgalloc.h9
1 files changed, 6 insertions, 3 deletions
diff --git a/arch/mips/include/asm/pgalloc.h b/arch/mips/include/asm/pgalloc.h
index 881d18b4e298..b336037e8768 100644
--- a/arch/mips/include/asm/pgalloc.h
+++ b/arch/mips/include/asm/pgalloc.h
@@ -80,9 +80,12 @@ 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;
}