[SCSI] qla2xxx: Add a filter to compare port_name against the physical on vport creation.

During vport creation, there was a possibility to get create a
vport with same port_name as pport.  A new filter has added to
compare given port_name with the port_name of the pport.

Signed-Off-by: Seokmann Ju <seokmann.ju@qlogic.com>
Signed-off-by: Andrew Vasquez <andrew.vasquez@qlogic.com>
Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>

1 files changed, 2 insertions, 0 deletions

diff --git a/drivers/scsi/qla2xxx/qla_mid.c b/drivers/scsi/qla2xxx/qla_mid.c
index 325bdab11903..dea37689b7d4 100644
--- a/drivers/scsi/qla2xxx/qla_mid.c
+++ b/drivers/scsi/qla2xxx/qla_mid.c
@@ -341,6 +341,8 @@ qla24xx_vport_create_req_sanity_check(struct fc_vport *fc_vport)
 
         /* Check up unique WWPN */
         u64_to_wwn(fc_vport->port_name, port_name);
+        if (!memcmp(port_name, ha->port_name, WWN_SIZE))
+                return VPCERR_BAD_WWN;
         vha = qla24xx_find_vhost_by_name(ha, port_name);
         if (vha)
                 return VPCERR_BAD_WWN;