Re: [PATCH] mm: cma: alloc_contig_range: return early for err path

[Marek Szyprowski <m.szyprowski@samsung.com>]

Hello,

On 10/23/2012 8:45 AM, Bob Liu wrote:

> If start_isolate_page_range() failed, unset_migratetype_isolate() has been
> done inside it.
>
> Signed-off-by: Bob Liu <lliubbo@gmail.com>
> ---
>   mm/page_alloc.c |    2 +-
>   1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/mm/page_alloc.c b/mm/page_alloc.c
> index bb90971..b0012ab 100644
> --- a/mm/page_alloc.c
> +++ b/mm/page_alloc.c
> @@ -5825,7 +5825,7 @@ int alloc_contig_range(unsigned long start, unsigned long end,
>   	ret = start_isolate_page_range(pfn_max_align_down(start),
>   				       pfn_max_align_up(end), migratetype);
>   	if (ret)
> -		goto done;
> +		return ret;
>
>   	ret = __alloc_contig_migrate_range(&cc, start, end);
>   	if (ret)
>

Thanks for the fix, I've applied it to my kernel tree.

Best regards
-- 
Marek Szyprowski
Samsung Poland R&D Center

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