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author | Kirill A. Shutemov <kirill.shutemov@linux.intel.com> | 2013-11-15 02:31:42 +0400 |
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committer | Linus Torvalds <torvalds@linux-foundation.org> | 2013-11-15 04:32:19 +0400 |
commit | 1ae9ae5f7df726c67736c643c1f03f7bdfe748eb (patch) | |
tree | ea4172be40418472c7172de9f8d6e0796a846467 /arch/sparc/mm/srmmu.c | |
parent | 478cf8ca013f9e33be978dee4d0a15906e5a030a (diff) | |
download | linux-1ae9ae5f7df726c67736c643c1f03f7bdfe748eb.tar.xz |
sparc: handle pgtable_page_ctor() fail
Signed-off-by: Kirill A. Shutemov <kirill.shutemov@linux.intel.com>
Acked-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'arch/sparc/mm/srmmu.c')
-rw-r--r-- | arch/sparc/mm/srmmu.c | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/arch/sparc/mm/srmmu.c b/arch/sparc/mm/srmmu.c index 5d721df48a72..869023abe5a4 100644 --- a/arch/sparc/mm/srmmu.c +++ b/arch/sparc/mm/srmmu.c @@ -345,7 +345,10 @@ pgtable_t pte_alloc_one(struct mm_struct *mm, unsigned long address) if ((pte = (unsigned long)pte_alloc_one_kernel(mm, address)) == 0) return NULL; page = pfn_to_page(__nocache_pa(pte) >> PAGE_SHIFT); - pgtable_page_ctor(page); + if (!pgtable_page_ctor(page)) { + __free_page(page); + return NULL; + } return page; } |