RE: [PATCH] ARM: SAMSUNG: Use kmemdup rather than duplicating itsimplementation

From: Kukjin Kim
Date: Wed Dec 07 2011 - 01:57:12 EST


Thomas Meyer wrote:
>
> The semantic patch that makes this change is available
> in scripts/coccinelle/api/memdup.cocci.
>
> Signed-off-by: Thomas Meyer <thomas@xxxxxxxx>
> ---
>
> diff -u -p a/arch/arm/plat-s3c24xx/dma.c b/arch/arm/plat-s3c24xx/dma.c
> --- a/arch/arm/plat-s3c24xx/dma.c 2011-11-07 19:37:20.736205210 +0100
> +++ b/arch/arm/plat-s3c24xx/dma.c 2011-11-08 11:03:41.719762852 +0100
> @@ -1437,11 +1437,10 @@ int __init s3c24xx_dma_init_map(struct s
> size_t map_sz = sizeof(*nmap) * sel->map_size;
> int ptr;
>
> - nmap = kmalloc(map_sz, GFP_KERNEL);
> + nmap = kmemdup(sel->map, map_sz, GFP_KERNEL);
> if (nmap == NULL)
> return -ENOMEM;
>
> - memcpy(nmap, sel->map, map_sz);
> memcpy(&dma_sel, sel, sizeof(*sel));
>
> dma_sel.map = nmap;

Yes, looks ok to me, will apply.
Thanks.

Best regards,
Kgene.
--
Kukjin Kim <kgene.kim@xxxxxxxxxxx>, Senior Engineer,
SW Solution Development Team, Samsung Electronics Co., Ltd.

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