linux-kernel - Re: [PATCH] try parent numa_node at first before using default

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Message-ID: <20070713074806.6a641528@gondolin.boeblingen.de.ibm.com>
Date:	Fri, 13 Jul 2007 07:48:06 +0200
From:	Cornelia Huck <cornelia.huck@...ibm.com>
To:	Yinghai Lu <Yinghai.Lu@....COM>
Cc:	Stefan Richter <stefanr@...6.in-berlin.de>,
	Greg KH <greg@...ah.com>,
	Andrew Morton <akpm@...ux-foundation.org>,
	Andi Kleen <ak@...e.de>, rientjes@...gle.com,
	Christoph Lameter <clameter@....com>,
	Christoph Hellwig <hch@...radead.org>,
	David Miller <davem@...emloft.net>,
	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
	netdev@...r.kernel.org
Subject: Re: [PATCH] try parent numa_node at first before using default

On Thu, 12 Jul 2007 10:59:53 -0700,
Yinghai Lu <Yinghai.Lu@....COM> wrote:

> @@ -1285,8 +1290,11 @@ int device_move(struct device *dev, struct device *new_parent)
>  	dev->parent = new_parent;
>  	if (old_parent)
>  		klist_remove(&dev->knode_parent);
> -	if (new_parent)
> +	if (new_parent) {
>  		klist_add_tail(&dev->knode_parent, &new_parent->klist_children);
> +		set_dev_node(dev, dev_to_node(new_parent));
> +	}
> +
>  	if (!dev->class)
>  		goto out_put;
>  	error = device_move_class_links(dev, old_parent, new_parent);

You're not correctly undoing the changes if the last function fails.
-
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