diff options
| author | Kirill A. Shutemov <kirill.shutemov@linux.intel.com> | 2013-11-14 14:31:26 -0800 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2013-11-15 09:32:16 +0900 |
| commit | affce5089a82a045274def17b44b13d10ab7c1d4 (patch) | |
| tree | 2503c11b13777987f93cf198375c8402e2f20d78 /arch | |
| parent | ca6ec3bbaaaf5941e970314a2eb3680b9e7e698a (diff) | |
arm: handle pgtable_page_ctor() fail
Signed-off-by: Kirill A. Shutemov <kirill.shutemov@linux.intel.com>
Cc: Russell King <linux@arm.linux.org.uk>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'arch')
| -rw-r--r-- | arch/arm/include/asm/pgalloc.h | 12 |
1 files changed, 7 insertions, 5 deletions
diff --git a/arch/arm/include/asm/pgalloc.h b/arch/arm/include/asm/pgalloc.h index 943504f53f57..78a779361682 100644 --- a/arch/arm/include/asm/pgalloc.h +++ b/arch/arm/include/asm/pgalloc.h @@ -102,12 +102,14 @@ pte_alloc_one(struct mm_struct *mm, unsigned long addr) #else pte = alloc_pages(PGALLOC_GFP, 0); #endif - if (pte) { - if (!PageHighMem(pte)) - clean_pte_table(page_address(pte)); - pgtable_page_ctor(pte); + if (!pte) + return NULL; + if (!PageHighMem(pte)) + clean_pte_table(page_address(pte)); + if (!pgtable_page_ctor(pte)) { + __free_page(pte); + return NULL; } - return pte; } |