linux-kernel - Re: [PATCH 5/5] imx-drm: ipu-dp: Adjust the maximum number of flows

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Message-ID: <CAOMZO5As90NNdDoYSmCmXq5UB5j2YgdgTnjMbyqz7X0hT5e=uQ@mail.gmail.com>
Date:	Fri, 28 Jun 2013 11:09:33 -0300
From:	Fabio Estevam <festevam@...il.com>
To:	Philipp Zabel <p.zabel@...gutronix.de>
Cc:	gregkh@...uxfoundation.org, shawn.guo@...aro.org,
	kernel@...gutronix.de, linux-kernel@...r.kernel.org,
	Fabio Estevam <fabio.estevam@...escale.com>
Subject: Re: [PATCH 5/5] imx-drm: ipu-dp: Adjust the maximum number of flows

Hi Philipp,

On Fri, Jun 28, 2013 at 10:53 AM, Philipp Zabel <p.zabel@...gutronix.de> wrote:

>
> If (flow == IPUV3_NUM_FLOWS << 1), this will continue and try to access
> &priv->flow[3] below, which is invalid. How about
>
> +       if ((flow >> 1) >= IPUV3_NUM_FLOWS)
>
> instead?

Yes, agreed.

Thanks,

Fabio Estevam
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