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authorKirill A. Shutemov <kirill.shutemov@linux.intel.com>2013-11-14 14:31:41 -0800
committerLinus Torvalds <torvalds@linux-foundation.org>2013-11-15 09:32:18 +0900
commit478cf8ca013f9e33be978dee4d0a15906e5a030a (patch)
treefd14f2001b239ad549ff033f79dafa4e789d7540
parent96da3a62ea1fef2d9dfa8eff97706603918d5f4d (diff)
downloadop-kernel-dev-478cf8ca013f9e33be978dee4d0a15906e5a030a.zip
op-kernel-dev-478cf8ca013f9e33be978dee4d0a15906e5a030a.tar.gz
sh: handle pgtable_page_ctor() fail
Signed-off-by: Kirill A. Shutemov <kirill.shutemov@linux.intel.com> Cc: Paul Mundt <lethal@linux-sh.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
-rw-r--r--arch/sh/include/asm/pgalloc.h5
1 files changed, 4 insertions, 1 deletions
diff --git a/arch/sh/include/asm/pgalloc.h b/arch/sh/include/asm/pgalloc.h
index 8c00785..a33673b 100644
--- a/arch/sh/include/asm/pgalloc.h
+++ b/arch/sh/include/asm/pgalloc.h
@@ -47,7 +47,10 @@ static inline pgtable_t pte_alloc_one(struct mm_struct *mm,
if (!pg)
return NULL;
page = virt_to_page(pg);
- pgtable_page_ctor(page);
+ if (!pgtable_page_ctor(page)) {
+ quicklist_free(QUICK_PT, NULL, pg);
+ return NULL;
+ }
return page;
}
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