diff options
| author | Kirill A. Shutemov <kirill.shutemov@linux.intel.com> | 2013-11-05 17:06:46 +1100 |
|---|---|---|
| committer | Stephen Rothwell <sfr@canb.auug.org.au> | 2013-11-05 17:40:11 +1100 |
| commit | 1fbea28677ccc0ca7d111390c4c457328fee0cad (patch) | |
| tree | 24ee8c111c947b88e22133b6f3d8c866a0f0e931 /arch | |
| parent | f86c40585623008bf2f204917a39b9aef12160ad (diff) | |
frv: handle pgtable_page_ctor() fail
Signed-off-by: Kirill A. Shutemov <kirill.shutemov@linux.intel.com>
Acked-by: David Howells <dhowells@redhat.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Diffstat (limited to 'arch')
| -rw-r--r-- | arch/frv/mm/pgalloc.c | 12 |
1 files 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; } |