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[SCSI] scsi_transport_spi: fix oops in revalidate

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The class_device->device conversion is causing an oops in revalidate
because it's assuming that the device_for_each_child iterator will only
return struct scsi_device children.  The conversion made all former
class_devices children of the device as well, so this assumption is
broken.  Fix it.

Cc: Stable Tree <stable@kernel.org>
Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>
This commit is contained in:
James Bottomley 2008-07-29 12:52:20 -05:00
parent 671a99c8eb
commit e8bac9e064
1 changed files with 5 additions and 3 deletions
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8
drivers/scsi/scsi_transport_spi.c
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@ -366,12 +366,14 @@ spi_transport_rd_attr(rti, "%d\n");
spi_transport_rd_attr(pcomp_en, "%d\n");
spi_transport_rd_attr(hold_mcs, "%d\n");
/* we only care about the first child device so we return 1 */
/* we only care about the first child device that's a real SCSI device
* so we return 1 to terminate the iteration when we find it */
static int child_iter(struct device *dev, void *data)
{
struct scsi_device *sdev = to_scsi_device(dev);
if (!scsi_is_sdev_device(dev))
return 0;
spi_dv_device(sdev);
spi_dv_device(to_scsi_device(dev));
return 1;
}