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[SCSI] scsi_transport_sas; fix user_scan

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the user_scan() callback currently has the potential to identify the
wrong device in the presence of expanders.  This is because it finds
the first device with a matching target_id, which might be an
expander.  Fix this by making it look specifically for end devices.

Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
This commit is contained in:
James Bottomley 2006-05-19 10:49:37 -05:00 committed by James Bottomley
parent 78a904b654
commit 6d99a3f372
1 changed files with 2 additions and 1 deletions
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3
drivers/scsi/scsi_transport_sas.c
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@ -955,7 +955,8 @@ static int sas_user_scan(struct Scsi_Host *shost, uint channel,
list_for_each_entry(rphy, &sas_host->rphy_list, list) {
struct sas_phy *parent = dev_to_phy(rphy->dev.parent);
if (rphy->scsi_target_id == -1)
if (rphy->identify.device_type != SAS_END_DEVICE ||
rphy->scsi_target_id == -1)
continue;
if ((channel == SCAN_WILD_CARD || channel == parent->port_identifier) &&