From 0c66ec2871ba21751eca0c78fa59884ead5a68ba Mon Sep 17 00:00:00 2001 From: "Kirill A. Shutemov" Date: Thu, 7 Nov 2013 12:09:33 +1100 Subject: frv: handle pgtable_page_ctor() fail Signed-off-by: Kirill A. Shutemov Acked-by: David Howells Signed-off-by: Andrew Morton --- arch/frv/mm/pgalloc.c | 12 ++++++++---- 1 file changed, 8 insertions(+), 4 deletions(-) diff --git a/arch/frv/mm/pgalloc.c b/arch/frv/mm/pgalloc.c index f6084bc524e8..41907d25ed38 100644 --- a/arch/frv/mm/pgalloc.c +++ b/arch/frv/mm/pgalloc.c @@ -37,11 +37,15 @@ pgtable_t pte_alloc_one(struct mm_struct *mm, unsigned long address) #else page = alloc_pages(GFP_KERNEL|__GFP_REPEAT, 0); #endif - if (page) { - clear_highpage(page); - pgtable_page_ctor(page); - flush_dcache_page(page); + if (!page) + return NULL; + + clear_highpage(page); + if (!pgtable_page_ctor(page)) { + __free_page(page); + return NULL; } + flush_dcache_page(page); return page; } -- cgit v1.2.3