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m32r: handle pgtable_page_ctor() fail

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Signed-off-by: Kirill A. Shutemov <kirill.shutemov@linux.intel.com>
Cc: Hirokazu Takata <takata@linux-m32r.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Kirill A. Shutemov
2013-11-14 14:31:33 -08:00
committed by Linus Torvalds
parent ca973d86d4
commit 7251ab6b86
1 changed files with 4 additions and 1 deletions
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arch/m32r/include/asm/pgalloc.h
+4 -1
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@@ -45,7 +45,10 @@ static __inline__ pgtable_t pte_alloc_one(struct mm_struct *mm,
if (!pte)
return NULL;
pgtable_page_ctor(pte);
if (!pgtable_page_ctor(pte)) {
__free_page(pte);
return NULL;
}
return pte;
}