RE: [PATCH] mm/hugetlb: check for pte NULL pointer in__page_check_address()

From: Kirill A. Shutemov
Date: Mon Dec 16 2013 - 09:26:13 EST


Jianguo Wu wrote:
> In __page_check_address(), if address's pud is not present,
> huge_pte_offset() will return NULL, we should check the return value.
>
> Signed-off-by: Jianguo Wu <wujianguo@xxxxxxxxxx>

Looks okay to me.

Acked-by: Kirill A. Shutemov <kirill.shutemov@xxxxxxxxxxxxxxx>

Have you triggered a crash there? Or just spotted by reading the code?

--
Kirill A. Shutemov
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/