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From: Christoph Hellwig <hch@infradead.org>
To: Martin Schwidefsky <schwidefsky@de.ibm.com>
Cc: akpm@osdl.org, mochel@digitalimplant.org, gregkh@suse.de,
	cohuck@de.ibm.com, linux-kernel@vger.kernel.org
Subject: Re: [patch 1/16] s390: klist bus_find_device & driver_find_device callback.
Date: Wed, 22 Jun 2005 09:11:02 +0100	[thread overview]
Message-ID: <20050622081102.GA3976@infradead.org> (raw)
In-Reply-To: <20050621162213.GA6053@localhost.localdomain>

> +struct device * bus_find_device(struct bus_type * bus, struct device * start,
> +				void * data, int (*match)(struct device *, void *))
> +{
> +	struct klist_iter i;
> +	struct device * dev;
> +
> +	if (!bus)
> +		return NULL;
> +
> +	klist_iter_init_node(&bus->klist_devices, &i,
> +			     (start ? &start->knode_bus : NULL));
> +	while ((dev = next_device(&i)))
> +		if (match(dev, data))
> +			break;
> +	klist_iter_exit(&i);
> +	return dev;

does the klist magic somehow grab a reference for you?


  parent reply	other threads:[~2005-06-22  8:17 UTC|newest]

Thread overview: 9+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2005-06-21 16:22 [patch 1/16] s390: klist bus_find_device & driver_find_device callback Martin Schwidefsky
2005-06-22  6:26 ` Greg KH
2005-06-22  7:48   ` Cornelia Huck
2005-06-22  8:14     ` Greg KH
2005-06-22 14:59       ` Cornelia Huck
2005-06-22 14:59       ` [patch 1/2] " Cornelia Huck
2005-06-22 14:59       ` [patch 2/2] s390: use klist in cio Cornelia Huck
2005-06-22  8:11 ` Christoph Hellwig [this message]
2005-06-22  8:19   ` [patch 1/16] s390: klist bus_find_device & driver_find_device callback Greg KH

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