[PATCH] use device_for_each_child() to properly access child devices.
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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20b1e67423
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@ -348,17 +348,21 @@ spi_transport_rd_attr(rd_strm, "%d\n");
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spi_transport_rd_attr(rti, "%d\n");
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spi_transport_rd_attr(pcomp_en, "%d\n");
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/* we only care about the first child device so we return 1 */
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static int child_iter(struct device *dev, void *data)
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{
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struct scsi_device *sdev = to_scsi_device(dev);
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spi_dv_device(sdev);
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return 1;
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}
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static ssize_t
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store_spi_revalidate(struct class_device *cdev, const char *buf, size_t count)
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{
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struct scsi_target *starget = transport_class_to_starget(cdev);
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/* FIXME: we're relying on an awful lot of device internals
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* here. We really need a function to get the first available
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* child */
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struct device *dev = container_of(starget->dev.children.next, struct device, node);
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struct scsi_device *sdev = to_scsi_device(dev);
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spi_dv_device(sdev);
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device_for_each_child(&starget->dev, NULL, child_iter);
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return count;
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}
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static CLASS_DEVICE_ATTR(revalidate, S_IWUSR, NULL, store_spi_revalidate);
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