Commit 647f884e authored Nov 14, 2013 by Kirill A. Shutemov Committed by Linus Torvalds Nov 15, 2013

um: handle pgtable_page_ctor() fail



Signed-off-by: Kirill A. Shutemov <kirill.shutemov@linux.intel.com>
Cc: Jeff Dike <jdike@addtoit.com>
Cc: Richard Weinberger <richard@nod.at>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

parent 76b3aec3

arch/um/kernel/mem.c

+6 −2

Original line number	Diff line number	Diff line
		@@ -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;
		}