Re: [PATCH 1/1] fs/exofs/ore_raid.c: replace count*size kzalloc by kcalloc

From: Boaz Harrosh
Date: Sun Jul 13 2014 - 06:32:29 EST


On 06/25/2014 09:14 PM, Fabian Frederick wrote:
> kcalloc manages count*sizeof overflow.
>
> Cc: Boaz Harrosh <bharrosh@xxxxxxxxxxx>
ACK-by: Boaz Harrosh <bharrosh@xxxxxxxxxxx>

Do you need that I submit this through my tree?

Thanks
Boaz
> Cc: osd-dev@xxxxxxxxxxxx
> Cc: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
> Signed-off-by: Fabian Frederick <fabf@xxxxxxxxx>
> ---
> fs/exofs/ore_raid.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/fs/exofs/ore_raid.c b/fs/exofs/ore_raid.c
> index 7f20f25..84529b8 100644
> --- a/fs/exofs/ore_raid.c
> +++ b/fs/exofs/ore_raid.c
> @@ -116,7 +116,7 @@ static int _sp2d_alloc(unsigned pages_in_unit, unsigned group_width,
> num_a1pa = min_t(unsigned, PAGE_SIZE / sizeof__a1pa,
> pages_in_unit - i);
>
> - __a1pa = kzalloc(num_a1pa * sizeof__a1pa, GFP_KERNEL);
> + __a1pa = kcalloc(num_a1pa, sizeof__a1pa, GFP_KERNEL);
> if (unlikely(!__a1pa)) {
> ORE_DBGMSG("!! Failed to _alloc_1p_arrays=%d\n",
> num_a1pa);
>

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