Re: [PATCH 02/34] cris: fix potential NULL-pointer dereference

[Jesper Nilsson]

On Thu, Oct 10, 2013 at 08:05:27PM +0200, Kirill A. Shutemov wrote:
> Add missing check for memory allocation fail.
> 
> Signed-off-by: Kirill A. Shutemov <kirill.shutemov@xxxxxxxxxxxxxxx>
> Cc: Mikael Starvik <starvik@xxxxxxxx>

Acked-by: Jesper Nilsson <jesper.nilsson@xxxxxxxx>

> ---
>  arch/cris/include/asm/pgalloc.h | 2 ++
>  1 file changed, 2 insertions(+)
> 
> diff --git a/arch/cris/include/asm/pgalloc.h b/arch/cris/include/asm/pgalloc.h
> index 6da975db11..d9504d38c2 100644
> --- a/arch/cris/include/asm/pgalloc.h
> +++ b/arch/cris/include/asm/pgalloc.h
> @@ -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;
>  }
> -- 
> 1.8.4.rc3

/^JN - Jesper Nilsson
-- 
               Jesper Nilsson -- jesper.nilsson@xxxxxxxx
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