提交 26db3902 编写于 作者: K Kirill A. Shutemov 提交者: Linus Torvalds

cris: fix potential NULL-pointer dereference

Add missing check for memory allocation fail.
Signed-off-by: NKirill A. Shutemov <kirill.shutemov@linux.intel.com>
Cc: Mikael Starvik <starvik@axis.com>
Acked-by: NJesper Nilsson <jesper.nilsson@axis.com>
Signed-off-by: NAndrew Morton <akpm@linux-foundation.org>
Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>
上级 09ef4939
......@@ -32,6 +32,8 @@ static inline pgtable_t pte_alloc_one(struct mm_struct *mm, unsigned long addres
{
struct page *pte;
pte = alloc_pages(GFP_KERNEL|__GFP_REPEAT|__GFP_ZERO, 0);
if (!pte)
return NULL;
pgtable_page_ctor(pte);
return pte;
}
......
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