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authorJames Bottomley <James.Bottomley@steeleye.com>2006-05-19 10:49:37 -0500
committerJames Bottomley <jejb@mulgrave.il.steeleye.com>2006-05-20 09:01:21 -0500
commit6d99a3f372181160a56d7b1ee3259dbe03663f0d (patch)
tree97b4c8487de9b92fe5eb05e6f57a22c783c0594e /drivers/scsi
parent78a904b65420e02bf964af6a83c1fd7a85e0b59d (diff)
[SCSI] scsi_transport_sas; fix user_scan
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>
Diffstat (limited to 'drivers/scsi')
-rw-r--r--drivers/scsi/scsi_transport_sas.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/drivers/scsi/scsi_transport_sas.c b/drivers/scsi/scsi_transport_sas.c
index 8b6d65e21ba..8126c395de1 100644
--- a/drivers/scsi/scsi_transport_sas.c
+++ b/drivers/scsi/scsi_transport_sas.c
@@ -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) &&