Re: [PATCH 1/9] drivers/staging/media/davinci_vpfe/vpfe_mc_capture.c: use correct structure type name in sizeof

From: Laurent Pinchart
Date: Mon Nov 09 2015 - 15:48:21 EST


Hi Julia,

Thank you for the patch.

On Tuesday 29 July 2014 17:16:43 Julia Lawall wrote:
> From: Julia Lawall <Julia.Lawall@xxxxxxx>
>
> Correct typo in the name of the type given to sizeof. Because it is the
> size of a pointer that is wanted, the typo has no impact on compilation or
> execution.
>
> This problem was found using Coccinelle (http://coccinelle.lip6.fr/). The
> semantic patch used can be found in message 0 of this patch series.
>
> Signed-off-by: Julia Lawall <Julia.Lawall@xxxxxxx>
>
> ---
> drivers/staging/media/davinci_vpfe/vpfe_mc_capture.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/drivers/staging/media/davinci_vpfe/vpfe_mc_capture.c
> b/drivers/staging/media/davinci_vpfe/vpfe_mc_capture.c index
> cda8388..255590f 100644
> --- a/drivers/staging/media/davinci_vpfe/vpfe_mc_capture.c
> +++ b/drivers/staging/media/davinci_vpfe/vpfe_mc_capture.c
> @@ -227,7 +227,7 @@ static int vpfe_enable_clock(struct vpfe_device
> *vpfe_dev) return 0;
>
> vpfe_dev->clks = kzalloc(vpfe_cfg->num_clocks *
> - sizeof(struct clock *), GFP_KERNEL);
> + sizeof(struct clk *), GFP_KERNEL);

I'd use sizeof(*vpfe_dev->clks) to avoid such issues.

Apart from that,

Acked-by: Laurent Pinchart <laurent.pinchart@xxxxxxxxxxxxxxxx>

I've applied the patch to my tree with the above change, there's no need to
resubmit if you agree with the proposal.

> if (vpfe_dev->clks == NULL) {
> v4l2_err(vpfe_dev->pdev->driver, "Memory allocation failed\n");
> return -ENOMEM;

--
Regards,

Laurent Pinchart

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