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[SCSI] bnx2fc: Prevent creating of NPIV port with duplicate WWN 

This patch adds a validation step before allowing creation of a new NPIV port.
It checks whether the WWPN passed for the new NPIV port to be created is unique
for the given physical port.

Signed-off-by: Bhanu Prakash Gollapudi <bprakash@broadcom.com>
Signed-off-by: James Bottomley <JBottomley@Parallels.com>
This commit is contained in:
Bhanu Prakash Gollapudi 2011-08-04 17:38:51 -07:00 committed by James Bottomley
parent 5243960777
commit 861efc547c
1 changed files with 11 additions and 0 deletions
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11
drivers/scsi/bnx2fc/bnx2fc_fcoe.c
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@ -1020,6 +1020,17 @@ static int bnx2fc_vport_create(struct fc_vport *vport, bool disabled)
struct bnx2fc_interface *interface = port->priv;
struct net_device *netdev = interface->netdev;
struct fc_lport *vn_port;
int rc;
char buf[32];
rc = fcoe_validate_vport_create(vport);
if (rc) {
fcoe_wwn_to_str(vport->port_name, buf, sizeof(buf));
printk(KERN_ERR PFX "Failed to create vport, "
"WWPN (0x%s) already exists\n",
buf);
return rc;
}
if (!test_bit(BNX2FC_FLAG_FW_INIT_DONE, &interface->hba->flags)) {
printk(KERN_ERR PFX "vn ports cannot be created on"