| From | "Kirill A. Shutemov" <> | Subject | [PATCH 29/34] um: handle pgtable_page_ctor() fail | Date | Thu, 10 Oct 2013 21:05:54 +0300 |
| |
Signed-off-by: Kirill A. Shutemov <kirill.shutemov@linux.intel.com> Cc: Jeff Dike <jdike@addtoit.com> Cc: Richard Weinberger <richard@nod.at> --- arch/um/kernel/mem.c | 8 ++++++-- 1 file changed, 6 insertions(+), 2 deletions(-)
diff --git a/arch/um/kernel/mem.c b/arch/um/kernel/mem.c index 7ddb64baf3..8636e90542 100644 --- a/arch/um/kernel/mem.c +++ b/arch/um/kernel/mem.c @@ -279,8 +279,12 @@ pgtable_t pte_alloc_one(struct mm_struct *mm, unsigned long address) 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
|