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| author | Kirill A. Shutemov <kirill.shutemov@linux.intel.com> | 2013-11-15 02:31:30 +0400 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2013-11-15 04:32:17 +0400 |
| commit | 3b9cf77d1aad657dd44ab0f0368978e87b64ad23 (patch) | |
| tree | 1b679f81ea1557076cf414023d5bd8ecfdf4ffed /arch/frv | |
| parent | 0da5303bdb55e67963e8b53ebf3a2aa75051cab4 (diff) | |
| download | linux-3b9cf77d1aad657dd44ab0f0368978e87b64ad23.tar.xz | |
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>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'arch/frv')
| -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; } |