linux-kernel - Re: [Linux-fbdev-devel] [PATCH 3/4] fbdev: uvesafb driver

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Date:	Sat, 23 Jun 2007 13:51:22 +0200
From:	Bernhard Fischer <rep.dot.nop@...il.com>
To:	spock@...too.org, linux-fbdev-devel@...ts.sourceforge.net
Cc:	linux-kernel@...r.kernel.org
Subject: Re: [Linux-fbdev-devel] [PATCH 3/4] fbdev: uvesafb driver

On Sat, Jun 23, 2007 at 12:52:43PM +0200, Michal Januszewski wrote:

>+static void uvesafb_cn_callback(void *data)
>+{
>+	struct cn_msg *msg = (struct cn_msg *)data;
>+	struct uvesafb_task *utask = (struct uvesafb_task *)msg->data;
>+	struct uvesafb_ktask *task;
>+
>+	if (msg->seq >= UVESAFB_TASKS_MAX)
>+		return;
>+
>+	task = uvfb_tasks[msg->seq];
>+
>+	if (!task || msg->ack != task->ack)
>+		return;

You need utask only here, so could spare setting it before the
checking above.
>+
>+	memcpy(&task->t, utask, sizeof(struct uvesafb_task));
>+
>+	if (task->t.buf_len && task->buf)
>+		memcpy(task->buf, ((u8*)utask) + sizeof(struct uvesafb_task),
>+						task->t.buf_len);
>+
>+	complete(task->done);
>+	return;
>+}
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