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[PATCH] use device_for_each_child() to properly access child devices.

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Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
This commit is contained in:
gregkh@suse.de 2005-03-25 15:52:00 -08:00 committed by Greg Kroah-Hartman
parent 20b1e67423
commit 9a881f166f
1 changed files with 10 additions and 6 deletions
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16
drivers/scsi/scsi_transport_spi.c
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@ -348,17 +348,21 @@ spi_transport_rd_attr(rd_strm, "%d\n");
spi_transport_rd_attr(rti, "%d\n");
spi_transport_rd_attr(pcomp_en, "%d\n");
/* we only care about the first child device so we return 1 */
static int child_iter(struct device *dev, void *data)
{
struct scsi_device *sdev = to_scsi_device(dev);
spi_dv_device(sdev);
return 1;
}
static ssize_t
store_spi_revalidate(struct class_device *cdev, const char *buf, size_t count)
{
struct scsi_target *starget = transport_class_to_starget(cdev);
/* FIXME: we're relying on an awful lot of device internals
* here. We really need a function to get the first available
* child */
struct device *dev = container_of(starget->dev.children.next, struct device, node);
struct scsi_device *sdev = to_scsi_device(dev);
spi_dv_device(sdev);
device_for_each_child(&starget->dev, NULL, child_iter);
return count;
}
static CLASS_DEVICE_ATTR(revalidate, S_IWUSR, NULL, store_spi_revalidate);